Home / 728,202.86-1,092,129.20-373,034.06

Finding the Fourth Proportional to 728,202.86, 1,092,129.20 and 373,034.06

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Solution

The fourth proportional to 728,202.86, 1,092,129.20 and 373,034.06 is: 559,461.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,202.86 : 1,092,129.20 = 373,034.06 : x
  2. Step 2: Convert to fraction form
    728,202.86/1,092,129.20 = 373,034.06/x
  3. Step 3: Cross multiply
    728,202.86x = 1,092,129.20 × 373,034.06
  4. Step 4: Simplify right side
    728,202.86x = 407,401,387,655.38
  5. Step 5: Solve for x
    x = 407,401,387,655.38/728,202.86
  6. Step 6: Final answer
    x = 559,461.39

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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.