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Finding the Fourth Proportional to 510,063.98, 703,860.10 and 283,694.90

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Solution

The fourth proportional to 510,063.98, 703,860.10 and 283,694.90 is: 391,483.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,063.98 : 703,860.10 = 283,694.90 : x
  2. Step 2: Convert to fraction form
    510,063.98/703,860.10 = 283,694.90/x
  3. Step 3: Cross multiply
    510,063.98x = 703,860.10 × 283,694.90
  4. Step 4: Simplify right side
    510,063.98x = 199,681,520,683.49
  5. Step 5: Solve for x
    x = 199,681,520,683.49/510,063.98
  6. Step 6: Final answer
    x = 391,483.28

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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.