Home / 724,031.14-1,086,222.29-218,561.92

Finding the Fourth Proportional to 724,031.14, 1,086,222.29 and 218,561.92

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Solution

The fourth proportional to 724,031.14, 1,086,222.29 and 218,561.92 is: 327,895.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,031.14 : 1,086,222.29 = 218,561.92 : x
  2. Step 2: Convert to fraction form
    724,031.14/1,086,222.29 = 218,561.92/x
  3. Step 3: Cross multiply
    724,031.14x = 1,086,222.29 × 218,561.92
  4. Step 4: Simplify right side
    724,031.14x = 237,406,829,249.20
  5. Step 5: Solve for x
    x = 237,406,829,249.20/724,031.14
  6. Step 6: Final answer
    x = 327,895.88

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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.