Home / 885,729.80-1,327,233.90-660,031.40

Finding the Fourth Proportional to 885,729.80, 1,327,233.90 and 660,031.40

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Solution

The fourth proportional to 885,729.80, 1,327,233.90 and 660,031.40 is: 989,033.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,729.80 : 1,327,233.90 = 660,031.40 : x
  2. Step 2: Convert to fraction form
    885,729.80/1,327,233.90 = 660,031.40/x
  3. Step 3: Cross multiply
    885,729.80x = 1,327,233.90 × 660,031.40
  4. Step 4: Simplify right side
    885,729.80x = 876,016,049,144.46
  5. Step 5: Solve for x
    x = 876,016,049,144.46/885,729.80
  6. Step 6: Final answer
    x = 989,033.05

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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.