Home / 1,108,230.30-1,662,345.45-398,330.10

Finding the Fourth Proportional to 1,108,230.30, 1,662,345.45 and 398,330.10

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Solution

The fourth proportional to 1,108,230.30, 1,662,345.45 and 398,330.10 is: 597,495.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,230.30 : 1,662,345.45 = 398,330.10 : x
  2. Step 2: Convert to fraction form
    1,108,230.30/1,662,345.45 = 398,330.10/x
  3. Step 3: Cross multiply
    1,108,230.30x = 1,662,345.45 × 398,330.10
  4. Step 4: Simplify right side
    1,108,230.30x = 662,162,229,333.05
  5. Step 5: Solve for x
    x = 662,162,229,333.05/1,108,230.30
  6. Step 6: Final answer
    x = 597,495.15

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.