Home / 766,883.59-1,058,306.78-422,732.91

Finding the Fourth Proportional to 766,883.59, 1,058,306.78 and 422,732.91

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Solution

The fourth proportional to 766,883.59, 1,058,306.78 and 422,732.91 is: 583,375.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,883.59 : 1,058,306.78 = 422,732.91 : x
  2. Step 2: Convert to fraction form
    766,883.59/1,058,306.78 = 422,732.91/x
  3. Step 3: Cross multiply
    766,883.59x = 1,058,306.78 × 422,732.91
  4. Step 4: Simplify right side
    766,883.59x = 447,381,104,782.13
  5. Step 5: Solve for x
    x = 447,381,104,782.13/766,883.59
  6. Step 6: Final answer
    x = 583,375.51

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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.