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Finding the Fourth Proportional to 660,064.26, 988,839.54 and 375,950.92

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Solution

The fourth proportional to 660,064.26, 988,839.54 and 375,950.92 is: 563,210.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    660,064.26 : 988,839.54 = 375,950.92 : x
  2. Step 2: Convert to fraction form
    660,064.26/988,839.54 = 375,950.92/x
  3. Step 3: Cross multiply
    660,064.26x = 988,839.54 × 375,950.92
  4. Step 4: Simplify right side
    660,064.26x = 371,755,132,323.28
  5. Step 5: Solve for x
    x = 371,755,132,323.28/660,064.26
  6. Step 6: Final answer
    x = 563,210.52

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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.