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Finding the Fourth Proportional to 660,065.52, 988,841.42 and 375,952.16

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Solution

The fourth proportional to 660,065.52, 988,841.42 and 375,952.16 is: 563,212.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    660,065.52 : 988,841.42 = 375,952.16 : x
  2. Step 2: Convert to fraction form
    660,065.52/988,841.42 = 375,952.16/x
  3. Step 3: Cross multiply
    660,065.52x = 988,841.42 × 375,952.16
  4. Step 4: Simplify right side
    660,065.52x = 371,757,067,746.47
  5. Step 5: Solve for x
    x = 371,757,067,746.47/660,065.52
  6. Step 6: Final answer
    x = 563,212.37

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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.