Home / 887,919.30-1,330,348.05-413,631.90

Finding the Fourth Proportional to 887,919.30, 1,330,348.05 and 413,631.90

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Solution

The fourth proportional to 887,919.30, 1,330,348.05 and 413,631.90 is: 619,734.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,919.30 : 1,330,348.05 = 413,631.90 : x
  2. Step 2: Convert to fraction form
    887,919.30/1,330,348.05 = 413,631.90/x
  3. Step 3: Cross multiply
    887,919.30x = 1,330,348.05 × 413,631.90
  4. Step 4: Simplify right side
    887,919.30x = 550,274,391,582.80
  5. Step 5: Solve for x
    x = 550,274,391,582.80/887,919.30
  6. Step 6: Final answer
    x = 619,734.69

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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.