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Finding the Fourth Proportional to 657,175.80, 985,763.70 and 372,756.45

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Solution

The fourth proportional to 657,175.80, 985,763.70 and 372,756.45 is: 559,134.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,175.80 : 985,763.70 = 372,756.45 : x
  2. Step 2: Convert to fraction form
    657,175.80/985,763.70 = 372,756.45/x
  3. Step 3: Cross multiply
    657,175.80x = 985,763.70 × 372,756.45
  4. Step 4: Simplify right side
    657,175.80x = 367,449,777,350.87
  5. Step 5: Solve for x
    x = 367,449,777,350.87/657,175.80
  6. Step 6: Final answer
    x = 559,134.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.