Home / 748,363.89-1,122,410.97-215,754.06

Finding the Fourth Proportional to 748,363.89, 1,122,410.97 and 215,754.06

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Solution

The fourth proportional to 748,363.89, 1,122,410.97 and 215,754.06 is: 323,592.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,363.89 : 1,122,410.97 = 215,754.06 : x
  2. Step 2: Convert to fraction form
    748,363.89/1,122,410.97 = 215,754.06/x
  3. Step 3: Cross multiply
    748,363.89x = 1,122,410.97 × 215,754.06
  4. Step 4: Simplify right side
    748,363.89x = 242,164,723,766.04
  5. Step 5: Solve for x
    x = 242,164,723,766.04/748,363.89
  6. Step 6: Final answer
    x = 323,592.21

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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.