Home / 506,337.55-698,744.06-279,983.05

Finding the Fourth Proportional to 506,337.55, 698,744.06 and 279,983.05

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Solution

The fourth proportional to 506,337.55, 698,744.06 and 279,983.05 is: 386,375.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,337.55 : 698,744.06 = 279,983.05 : x
  2. Step 2: Convert to fraction form
    506,337.55/698,744.06 = 279,983.05/x
  3. Step 3: Cross multiply
    506,337.55x = 698,744.06 × 279,983.05
  4. Step 4: Simplify right side
    506,337.55x = 195,636,489,594.46
  5. Step 5: Solve for x
    x = 195,636,489,594.46/506,337.55
  6. Step 6: Final answer
    x = 386,375.63

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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.