Home / 728,269.70-1,092,404.55-463,205.30

Finding the Fourth Proportional to 728,269.70, 1,092,404.55 and 463,205.30

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Solution

The fourth proportional to 728,269.70, 1,092,404.55 and 463,205.30 is: 694,807.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,269.70 : 1,092,404.55 = 463,205.30 : x
  2. Step 2: Convert to fraction form
    728,269.70/1,092,404.55 = 463,205.30/x
  3. Step 3: Cross multiply
    728,269.70x = 1,092,404.55 × 463,205.30
  4. Step 4: Simplify right side
    728,269.70x = 506,007,577,304.12
  5. Step 5: Solve for x
    x = 506,007,577,304.12/728,269.70
  6. Step 6: Final answer
    x = 694,807.95

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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.