Home / 876,281.40-1,311,506.10-635,711.40

Finding the Fourth Proportional to 876,281.40, 1,311,506.10 and 635,711.40

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Solution

The fourth proportional to 876,281.40, 1,311,506.10 and 635,711.40 is: 951,451.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,281.40 : 1,311,506.10 = 635,711.40 : x
  2. Step 2: Convert to fraction form
    876,281.40/1,311,506.10 = 635,711.40/x
  3. Step 3: Cross multiply
    876,281.40x = 1,311,506.10 × 635,711.40
  4. Step 4: Simplify right side
    876,281.40x = 833,739,378,939.54
  5. Step 5: Solve for x
    x = 833,739,378,939.54/876,281.40
  6. Step 6: Final answer
    x = 951,451.64

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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.