Home / 787,584.40-1,182,251.40-488,402.80

Finding the Fourth Proportional to 787,584.40, 1,182,251.40 and 488,402.80

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Solution

The fourth proportional to 787,584.40, 1,182,251.40 and 488,402.80 is: 733,146.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,584.40 : 1,182,251.40 = 488,402.80 : x
  2. Step 2: Convert to fraction form
    787,584.40/1,182,251.40 = 488,402.80/x
  3. Step 3: Cross multiply
    787,584.40x = 1,182,251.40 × 488,402.80
  4. Step 4: Simplify right side
    787,584.40x = 577,414,894,063.92
  5. Step 5: Solve for x
    x = 577,414,894,063.92/787,584.40
  6. Step 6: Final answer
    x = 733,146.69

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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.