Home / 728,552.70-1,092,829.05-551,405.70

Finding the Fourth Proportional to 728,552.70, 1,092,829.05 and 551,405.70

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Solution

The fourth proportional to 728,552.70, 1,092,829.05 and 551,405.70 is: 827,108.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,552.70 : 1,092,829.05 = 551,405.70 : x
  2. Step 2: Convert to fraction form
    728,552.70/1,092,829.05 = 551,405.70/x
  3. Step 3: Cross multiply
    728,552.70x = 1,092,829.05 × 551,405.70
  4. Step 4: Simplify right side
    728,552.70x = 602,592,167,295.59
  5. Step 5: Solve for x
    x = 602,592,167,295.59/728,552.70
  6. Step 6: Final answer
    x = 827,108.55

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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.