Home / 529,220.75-730,387.22-314,361.66

Finding the Fourth Proportional to 529,220.75, 730,387.22 and 314,361.66

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Solution

The fourth proportional to 529,220.75, 730,387.22 and 314,361.66 is: 433,856.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,220.75 : 730,387.22 = 314,361.66 : x
  2. Step 2: Convert to fraction form
    529,220.75/730,387.22 = 314,361.66/x
  3. Step 3: Cross multiply
    529,220.75x = 730,387.22 × 314,361.66
  4. Step 4: Simplify right side
    529,220.75x = 229,605,737,350.18
  5. Step 5: Solve for x
    x = 229,605,737,350.18/529,220.75
  6. Step 6: Final answer
    x = 433,856.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.