Home / 748,337.71-1,122,949.43-275,355.22

Finding the Fourth Proportional to 748,337.71, 1,122,949.43 and 275,355.22

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Solution

The fourth proportional to 748,337.71, 1,122,949.43 and 275,355.22 is: 413,195.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,337.71 : 1,122,949.43 = 275,355.22 : x
  2. Step 2: Convert to fraction form
    748,337.71/1,122,949.43 = 275,355.22/x
  3. Step 3: Cross multiply
    748,337.71x = 1,122,949.43 × 275,355.22
  4. Step 4: Simplify right side
    748,337.71x = 309,209,987,346.53
  5. Step 5: Solve for x
    x = 309,209,987,346.53/748,337.71
  6. Step 6: Final answer
    x = 413,195.78

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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.