Home / 748,407.35-1,123,452.33-299,444.96

Finding the Fourth Proportional to 748,407.35, 1,123,452.33 and 299,444.96

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Solution

The fourth proportional to 748,407.35, 1,123,452.33 and 299,444.96 is: 449,504.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,407.35 : 1,123,452.33 = 299,444.96 : x
  2. Step 2: Convert to fraction form
    748,407.35/1,123,452.33 = 299,444.96/x
  3. Step 3: Cross multiply
    748,407.35x = 1,123,452.33 × 299,444.96
  4. Step 4: Simplify right side
    748,407.35x = 336,412,132,401.50
  5. Step 5: Solve for x
    x = 336,412,132,401.50/748,407.35
  6. Step 6: Final answer
    x = 449,504.05

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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.