Home / 885,728.80-1,327,232.40-660,030.40

Finding the Fourth Proportional to 885,728.80, 1,327,232.40 and 660,030.40

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Solution

The fourth proportional to 885,728.80, 1,327,232.40 and 660,030.40 is: 989,031.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,728.80 : 1,327,232.40 = 660,030.40 : x
  2. Step 2: Convert to fraction form
    885,728.80/1,327,232.40 = 660,030.40/x
  3. Step 3: Cross multiply
    885,728.80x = 1,327,232.40 × 660,030.40
  4. Step 4: Simplify right side
    885,728.80x = 876,013,731,864.96
  5. Step 5: Solve for x
    x = 876,013,731,864.96/885,728.80
  6. Step 6: Final answer
    x = 989,031.55

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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.