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Finding the Fourth Proportional to 677,567.92, 935,020.22 and 375,790

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Solution

The fourth proportional to 677,567.92, 935,020.22 and 375,790 is: 518,577.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,567.92 : 935,020.22 = 375,790 : x
  2. Step 2: Convert to fraction form
    677,567.92/935,020.22 = 375,790/x
  3. Step 3: Cross multiply
    677,567.92x = 935,020.22 × 375,790
  4. Step 4: Simplify right side
    677,567.92x = 351,371,248,473.80
  5. Step 5: Solve for x
    x = 351,371,248,473.80/677,567.92
  6. Step 6: Final answer
    x = 518,577.16

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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.