Home / 747,601.10-1,121,401.65-449,002.70

Finding the Fourth Proportional to 747,601.10, 1,121,401.65 and 449,002.70

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Solution

The fourth proportional to 747,601.10, 1,121,401.65 and 449,002.70 is: 673,504.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,601.10 : 1,121,401.65 = 449,002.70 : x
  2. Step 2: Convert to fraction form
    747,601.10/1,121,401.65 = 449,002.70/x
  3. Step 3: Cross multiply
    747,601.10x = 1,121,401.65 × 449,002.70
  4. Step 4: Simplify right side
    747,601.10x = 503,512,368,634.46
  5. Step 5: Solve for x
    x = 503,512,368,634.46/747,601.10
  6. Step 6: Final answer
    x = 673,504.05

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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.