Home / 729,007.35-1,092,034.80-413,095.20

Finding the Fourth Proportional to 729,007.35, 1,092,034.80 and 413,095.20

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Solution

The fourth proportional to 729,007.35, 1,092,034.80 and 413,095.20 is: 618,806.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,007.35 : 1,092,034.80 = 413,095.20 : x
  2. Step 2: Convert to fraction form
    729,007.35/1,092,034.80 = 413,095.20/x
  3. Step 3: Cross multiply
    729,007.35x = 1,092,034.80 × 413,095.20
  4. Step 4: Simplify right side
    729,007.35x = 451,114,334,112.96
  5. Step 5: Solve for x
    x = 451,114,334,112.96/729,007.35
  6. Step 6: Final answer
    x = 618,806.29

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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.