Home / 859,348.28-1,287,800.12-632,928.08

Finding the Fourth Proportional to 859,348.28, 1,287,800.12 and 632,928.08

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Solution

The fourth proportional to 859,348.28, 1,287,800.12 and 632,928.08 is: 948,491.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,348.28 : 1,287,800.12 = 632,928.08 : x
  2. Step 2: Convert to fraction form
    859,348.28/1,287,800.12 = 632,928.08/x
  3. Step 3: Cross multiply
    859,348.28x = 1,287,800.12 × 632,928.08
  4. Step 4: Simplify right side
    859,348.28x = 815,084,857,375.37
  5. Step 5: Solve for x
    x = 815,084,857,375.37/859,348.28
  6. Step 6: Final answer
    x = 948,491.87

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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.