Home / 728,553.20-1,092,829.80-551,406.20

Finding the Fourth Proportional to 728,553.20, 1,092,829.80 and 551,406.20

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Solution

The fourth proportional to 728,553.20, 1,092,829.80 and 551,406.20 is: 827,109.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,553.20 : 1,092,829.80 = 551,406.20 : x
  2. Step 2: Convert to fraction form
    728,553.20/1,092,829.80 = 551,406.20/x
  3. Step 3: Cross multiply
    728,553.20x = 1,092,829.80 × 551,406.20
  4. Step 4: Simplify right side
    728,553.20x = 602,593,127,264.76
  5. Step 5: Solve for x
    x = 602,593,127,264.76/728,553.20
  6. Step 6: Final answer
    x = 827,109.30

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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.