Home / 887,279.80-1,330,919.70-635,337.40

Finding the Fourth Proportional to 887,279.80, 1,330,919.70 and 635,337.40

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Solution

The fourth proportional to 887,279.80, 1,330,919.70 and 635,337.40 is: 953,006.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,279.80 : 1,330,919.70 = 635,337.40 : x
  2. Step 2: Convert to fraction form
    887,279.80/1,330,919.70 = 635,337.40/x
  3. Step 3: Cross multiply
    887,279.80x = 1,330,919.70 × 635,337.40
  4. Step 4: Simplify right side
    887,279.80x = 845,583,061,806.78
  5. Step 5: Solve for x
    x = 845,583,061,806.78/887,279.80
  6. Step 6: Final answer
    x = 953,006.10

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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.