Home / 748,937.59-1,123,295.65-275,512.23

Finding the Fourth Proportional to 748,937.59, 1,123,295.65 and 275,512.23

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Solution

The fourth proportional to 748,937.59, 1,123,295.65 and 275,512.23 is: 413,227.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,937.59 : 1,123,295.65 = 275,512.23 : x
  2. Step 2: Convert to fraction form
    748,937.59/1,123,295.65 = 275,512.23/x
  3. Step 3: Cross multiply
    748,937.59x = 1,123,295.65 × 275,512.23
  4. Step 4: Simplify right side
    748,937.59x = 309,481,688,792.02
  5. Step 5: Solve for x
    x = 309,481,688,792.02/748,937.59
  6. Step 6: Final answer
    x = 413,227.61

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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.