Home / 748,291.64-1,032,665.14-408,781.76

Finding the Fourth Proportional to 748,291.64, 1,032,665.14 and 408,781.76

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Solution

The fourth proportional to 748,291.64, 1,032,665.14 and 408,781.76 is: 564,131.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,291.64 : 1,032,665.14 = 408,781.76 : x
  2. Step 2: Convert to fraction form
    748,291.64/1,032,665.14 = 408,781.76/x
  3. Step 3: Cross multiply
    748,291.64x = 1,032,665.14 × 408,781.76
  4. Step 4: Simplify right side
    748,291.64x = 422,134,673,419.85
  5. Step 5: Solve for x
    x = 422,134,673,419.85/748,291.64
  6. Step 6: Final answer
    x = 564,131.22

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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.