Home / 747,516.75-1,121,235.91-215,016.87

Finding the Fourth Proportional to 747,516.75, 1,121,235.91 and 215,016.87

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Solution

The fourth proportional to 747,516.75, 1,121,235.91 and 215,016.87 is: 322,514.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,516.75 : 1,121,235.91 = 215,016.87 : x
  2. Step 2: Convert to fraction form
    747,516.75/1,121,235.91 = 215,016.87/x
  3. Step 3: Cross multiply
    747,516.75x = 1,121,235.91 × 215,016.87
  4. Step 4: Simplify right side
    747,516.75x = 241,084,635,899.80
  5. Step 5: Solve for x
    x = 241,084,635,899.80/747,516.75
  6. Step 6: Final answer
    x = 322,514.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.