Home / 766,837.92-1,058,188.19-422,654.91

Finding the Fourth Proportional to 766,837.92, 1,058,188.19 and 422,654.91

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Solution

The fourth proportional to 766,837.92, 1,058,188.19 and 422,654.91 is: 583,237.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,837.92 : 1,058,188.19 = 422,654.91 : x
  2. Step 2: Convert to fraction form
    766,837.92/1,058,188.19 = 422,654.91/x
  3. Step 3: Cross multiply
    766,837.92x = 1,058,188.19 × 422,654.91
  4. Step 4: Simplify right side
    766,837.92x = 447,248,435,861.40
  5. Step 5: Solve for x
    x = 447,248,435,861.40/766,837.92
  6. Step 6: Final answer
    x = 583,237.24

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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.