Home / 865,242.18-1,194,058.28-478,082.54

Finding the Fourth Proportional to 865,242.18, 1,194,058.28 and 478,082.54

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Solution

The fourth proportional to 865,242.18, 1,194,058.28 and 478,082.54 is: 659,767.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,242.18 : 1,194,058.28 = 478,082.54 : x
  2. Step 2: Convert to fraction form
    865,242.18/1,194,058.28 = 478,082.54/x
  3. Step 3: Cross multiply
    865,242.18x = 1,194,058.28 × 478,082.54
  4. Step 4: Simplify right side
    865,242.18x = 570,858,407,049.73
  5. Step 5: Solve for x
    x = 570,858,407,049.73/865,242.18
  6. Step 6: Final answer
    x = 659,767.20

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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.