Home / 748,793.85-1,123,354.80-299,401.80

Finding the Fourth Proportional to 748,793.85, 1,123,354.80 and 299,401.80

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Solution

The fourth proportional to 748,793.85, 1,123,354.80 and 299,401.80 is: 449,168.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,793.85 : 1,123,354.80 = 299,401.80 : x
  2. Step 2: Convert to fraction form
    748,793.85/1,123,354.80 = 299,401.80/x
  3. Step 3: Cross multiply
    748,793.85x = 1,123,354.80 × 299,401.80
  4. Step 4: Simplify right side
    748,793.85x = 336,334,449,158.64
  5. Step 5: Solve for x
    x = 336,334,449,158.64/748,793.85
  6. Step 6: Final answer
    x = 449,168.28

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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.