Home / 748,644.90-1,123,356.15-327,963.30

Finding the Fourth Proportional to 748,644.90, 1,123,356.15 and 327,963.30

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Solution

The fourth proportional to 748,644.90, 1,123,356.15 and 327,963.30 is: 492,115.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,644.90 : 1,123,356.15 = 327,963.30 : x
  2. Step 2: Convert to fraction form
    748,644.90/1,123,356.15 = 327,963.30/x
  3. Step 3: Cross multiply
    748,644.90x = 1,123,356.15 × 327,963.30
  4. Step 4: Simplify right side
    748,644.90x = 368,419,590,029.30
  5. Step 5: Solve for x
    x = 368,419,590,029.30/748,644.90
  6. Step 6: Final answer
    x = 492,115.27

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Double scale
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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.