Home / 766,694.77-1,058,046.01-422,543.12

Finding the Fourth Proportional to 766,694.77, 1,058,046.01 and 422,543.12

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Solution

The fourth proportional to 766,694.77, 1,058,046.01 and 422,543.12 is: 583,113.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,694.77 : 1,058,046.01 = 422,543.12 : x
  2. Step 2: Convert to fraction form
    766,694.77/1,058,046.01 = 422,543.12/x
  3. Step 3: Cross multiply
    766,694.77x = 1,058,046.01 × 422,543.12
  4. Step 4: Simplify right side
    766,694.77x = 447,070,058,199.17
  5. Step 5: Solve for x
    x = 447,070,058,199.17/766,694.77
  6. Step 6: Final answer
    x = 583,113.49

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Double scale
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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.