Home / 887,443.47-1,330,974.03-280,279.13

Finding the Fourth Proportional to 887,443.47, 1,330,974.03 and 280,279.13

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Solution

The fourth proportional to 887,443.47, 1,330,974.03 and 280,279.13 is: 420,358.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,443.47 : 1,330,974.03 = 280,279.13 : x
  2. Step 2: Convert to fraction form
    887,443.47/1,330,974.03 = 280,279.13/x
  3. Step 3: Cross multiply
    887,443.47x = 1,330,974.03 × 280,279.13
  4. Step 4: Simplify right side
    887,443.47x = 373,044,236,526.12
  5. Step 5: Solve for x
    x = 373,044,236,526.12/887,443.47
  6. Step 6: Final answer
    x = 420,358.31

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Double scale
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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.