Home / 754,701.78-1,132,577.58-487,800.30

Finding the Fourth Proportional to 754,701.78, 1,132,577.58 and 487,800.30

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Solution

The fourth proportional to 754,701.78, 1,132,577.58 and 487,800.30 is: 732,039.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,701.78 : 1,132,577.58 = 487,800.30 : x
  2. Step 2: Convert to fraction form
    754,701.78/1,132,577.58 = 487,800.30/x
  3. Step 3: Cross multiply
    754,701.78x = 1,132,577.58 × 487,800.30
  4. Step 4: Simplify right side
    754,701.78x = 552,471,683,297.27
  5. Step 5: Solve for x
    x = 552,471,683,297.27/754,701.78
  6. Step 6: Final answer
    x = 732,039.72

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Double scale
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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.