Home / 766,882.59-1,058,305.40-422,731.91

Finding the Fourth Proportional to 766,882.59, 1,058,305.40 and 422,731.91

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Solution

The fourth proportional to 766,882.59, 1,058,305.40 and 422,731.91 is: 583,374.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,882.59 : 1,058,305.40 = 422,731.91 : x
  2. Step 2: Convert to fraction form
    766,882.59/1,058,305.40 = 422,731.91/x
  3. Step 3: Cross multiply
    766,882.59x = 1,058,305.40 × 422,731.91
  4. Step 4: Simplify right side
    766,882.59x = 447,379,465,222.66
  5. Step 5: Solve for x
    x = 447,379,465,222.66/766,882.59
  6. Step 6: Final answer
    x = 583,374.13

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1.5x scale

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.