Home / 787,244.40-1,180,981.80-413,295.60

Finding the Fourth Proportional to 787,244.40, 1,180,981.80 and 413,295.60

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Solution

The fourth proportional to 787,244.40, 1,180,981.80 and 413,295.60 is: 620,003.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,244.40 : 1,180,981.80 = 413,295.60 : x
  2. Step 2: Convert to fraction form
    787,244.40/1,180,981.80 = 413,295.60/x
  3. Step 3: Cross multiply
    787,244.40x = 1,180,981.80 × 413,295.60
  4. Step 4: Simplify right side
    787,244.40x = 488,094,581,620.08
  5. Step 5: Solve for x
    x = 488,094,581,620.08/787,244.40
  6. Step 6: Final answer
    x = 620,003.88

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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.