Home / 1,030,400.10-1,545,600.15-498,959.10

Finding the Fourth Proportional to 1,030,400.10, 1,545,600.15 and 498,959.10

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Solution

The fourth proportional to 1,030,400.10, 1,545,600.15 and 498,959.10 is: 748,438.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,030,400.10 : 1,545,600.15 = 498,959.10 : x
  2. Step 2: Convert to fraction form
    1,030,400.10/1,545,600.15 = 498,959.10/x
  3. Step 3: Cross multiply
    1,030,400.10x = 1,545,600.15 × 498,959.10
  4. Step 4: Simplify right side
    1,030,400.10x = 771,191,259,803.87
  5. Step 5: Solve for x
    x = 771,191,259,803.87/1,030,400.10
  6. Step 6: Final answer
    x = 748,438.65

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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.