Home / 739,230.30-1,108,845.45-265,931.10

Finding the Fourth Proportional to 739,230.30, 1,108,845.45 and 265,931.10

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Solution

The fourth proportional to 739,230.30, 1,108,845.45 and 265,931.10 is: 398,896.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,230.30 : 1,108,845.45 = 265,931.10 : x
  2. Step 2: Convert to fraction form
    739,230.30/1,108,845.45 = 265,931.10/x
  3. Step 3: Cross multiply
    739,230.30x = 1,108,845.45 × 265,931.10
  4. Step 4: Simplify right side
    739,230.30x = 294,876,490,248.50
  5. Step 5: Solve for x
    x = 294,876,490,248.50/739,230.30
  6. Step 6: Final answer
    x = 398,896.65

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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.