Home / 787,002.30-1,180,503.45-615,760.20

Finding the Fourth Proportional to 787,002.30, 1,180,503.45 and 615,760.20

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Solution

The fourth proportional to 787,002.30, 1,180,503.45 and 615,760.20 is: 923,640.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,002.30 : 1,180,503.45 = 615,760.20 : x
  2. Step 2: Convert to fraction form
    787,002.30/1,180,503.45 = 615,760.20/x
  3. Step 3: Cross multiply
    787,002.30x = 1,180,503.45 × 615,760.20
  4. Step 4: Simplify right side
    787,002.30x = 726,907,040,472.69
  5. Step 5: Solve for x
    x = 726,907,040,472.69/787,002.30
  6. Step 6: Final answer
    x = 923,640.30

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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.