Home / 572,737.91-790,388.10-314,625.74

Finding the Fourth Proportional to 572,737.91, 790,388.10 and 314,625.74

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Solution

The fourth proportional to 572,737.91, 790,388.10 and 314,625.74 is: 434,188.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,737.91 : 790,388.10 = 314,625.74 : x
  2. Step 2: Convert to fraction form
    572,737.91/790,388.10 = 314,625.74/x
  3. Step 3: Cross multiply
    572,737.91x = 790,388.10 × 314,625.74
  4. Step 4: Simplify right side
    572,737.91x = 248,676,436,897.75
  5. Step 5: Solve for x
    x = 248,676,436,897.75/572,737.91
  6. Step 6: Final answer
    x = 434,188.89

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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.