Home / 840,781.04-1,160,302.35-458,832.43

Finding the Fourth Proportional to 840,781.04, 1,160,302.35 and 458,832.43

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Solution

The fourth proportional to 840,781.04, 1,160,302.35 and 458,832.43 is: 633,202.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,781.04 : 1,160,302.35 = 458,832.43 : x
  2. Step 2: Convert to fraction form
    840,781.04/1,160,302.35 = 458,832.43/x
  3. Step 3: Cross multiply
    840,781.04x = 1,160,302.35 × 458,832.43
  4. Step 4: Simplify right side
    840,781.04x = 532,384,338,689.54
  5. Step 5: Solve for x
    x = 532,384,338,689.54/840,781.04
  6. Step 6: Final answer
    x = 633,202.12

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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.