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Finding the Fourth Proportional to 526,169.28, 726,112.74 and 284,452.08

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Solution

The fourth proportional to 526,169.28, 726,112.74 and 284,452.08 is: 392,543.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,169.28 : 726,112.74 = 284,452.08 : x
  2. Step 2: Convert to fraction form
    526,169.28/726,112.74 = 284,452.08/x
  3. Step 3: Cross multiply
    526,169.28x = 726,112.74 × 284,452.08
  4. Step 4: Simplify right side
    526,169.28x = 206,544,279,207.50
  5. Step 5: Solve for x
    x = 206,544,279,207.50/526,169.28
  6. Step 6: Final answer
    x = 392,543.40

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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.