Home / 749,694.79-1,124,542.23-217,216.18

Finding the Fourth Proportional to 749,694.79, 1,124,542.23 and 217,216.18

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Solution

The fourth proportional to 749,694.79, 1,124,542.23 and 217,216.18 is: 325,824.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,694.79 : 1,124,542.23 = 217,216.18 : x
  2. Step 2: Convert to fraction form
    749,694.79/1,124,542.23 = 217,216.18/x
  3. Step 3: Cross multiply
    749,694.79x = 1,124,542.23 × 217,216.18
  4. Step 4: Simplify right side
    749,694.79x = 244,268,767,449.28
  5. Step 5: Solve for x
    x = 244,268,767,449.28/749,694.79
  6. Step 6: Final answer
    x = 325,824.28

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Double scale
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Similar ratio
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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.