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Finding the Fourth Proportional to 623,727.70, 860,744.55 and 337,247.80

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Solution

The fourth proportional to 623,727.70, 860,744.55 and 337,247.80 is: 465,402.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,727.70 : 860,744.55 = 337,247.80 : x
  2. Step 2: Convert to fraction form
    623,727.70/860,744.55 = 337,247.80/x
  3. Step 3: Cross multiply
    623,727.70x = 860,744.55 × 337,247.80
  4. Step 4: Simplify right side
    623,727.70x = 290,284,205,849.49
  5. Step 5: Solve for x
    x = 290,284,205,849.49/623,727.70
  6. Step 6: Final answer
    x = 465,402.14

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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.