Home / 765,616.51-1,148,337.28-204,694.75

Finding the Fourth Proportional to 765,616.51, 1,148,337.28 and 204,694.75

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Solution

The fourth proportional to 765,616.51, 1,148,337.28 and 204,694.75 is: 307,018.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,616.51 : 1,148,337.28 = 204,694.75 : x
  2. Step 2: Convert to fraction form
    765,616.51/1,148,337.28 = 204,694.75/x
  3. Step 3: Cross multiply
    765,616.51x = 1,148,337.28 × 204,694.75
  4. Step 4: Simplify right side
    765,616.51x = 235,058,609,062.70
  5. Step 5: Solve for x
    x = 235,058,609,062.70/765,616.51
  6. Step 6: Final answer
    x = 307,018.73

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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.