Home / 728,347.20-1,092,520.80-551,200.20

Finding the Fourth Proportional to 728,347.20, 1,092,520.80 and 551,200.20

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Solution

The fourth proportional to 728,347.20, 1,092,520.80 and 551,200.20 is: 826,800.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,347.20 : 1,092,520.80 = 551,200.20 : x
  2. Step 2: Convert to fraction form
    728,347.20/1,092,520.80 = 551,200.20/x
  3. Step 3: Cross multiply
    728,347.20x = 1,092,520.80 × 551,200.20
  4. Step 4: Simplify right side
    728,347.20x = 602,197,683,464.16
  5. Step 5: Solve for x
    x = 602,197,683,464.16/728,347.20
  6. Step 6: Final answer
    x = 826,800.30

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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.