Home / 748,916.82-1,033,505.22-409,385.04

Finding the Fourth Proportional to 748,916.82, 1,033,505.22 and 409,385.04

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Solution

The fourth proportional to 748,916.82, 1,033,505.22 and 409,385.04 is: 564,951.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,916.82 : 1,033,505.22 = 409,385.04 : x
  2. Step 2: Convert to fraction form
    748,916.82/1,033,505.22 = 409,385.04/x
  3. Step 3: Cross multiply
    748,916.82x = 1,033,505.22 × 409,385.04
  4. Step 4: Simplify right side
    748,916.82x = 423,101,575,829.91
  5. Step 5: Solve for x
    x = 423,101,575,829.91/748,916.82
  6. Step 6: Final answer
    x = 564,951.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.