Home / 721,430.48-1,082,301.24-216,031.52

Finding the Fourth Proportional to 721,430.48, 1,082,301.24 and 216,031.52

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Solution

The fourth proportional to 721,430.48, 1,082,301.24 and 216,031.52 is: 324,093.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,430.48 : 1,082,301.24 = 216,031.52 : x
  2. Step 2: Convert to fraction form
    721,430.48/1,082,301.24 = 216,031.52/x
  3. Step 3: Cross multiply
    721,430.48x = 1,082,301.24 × 216,031.52
  4. Step 4: Simplify right side
    721,430.48x = 233,811,181,975.09
  5. Step 5: Solve for x
    x = 233,811,181,975.09/721,430.48
  6. Step 6: Final answer
    x = 324,093.85

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Similar ratio
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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.