Home / 754,934.10-1,132,401.15-256,298.10

Finding the Fourth Proportional to 754,934.10, 1,132,401.15 and 256,298.10

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Solution

The fourth proportional to 754,934.10, 1,132,401.15 and 256,298.10 is: 384,447.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,934.10 : 1,132,401.15 = 256,298.10 : x
  2. Step 2: Convert to fraction form
    754,934.10/1,132,401.15 = 256,298.10/x
  3. Step 3: Cross multiply
    754,934.10x = 1,132,401.15 × 256,298.10
  4. Step 4: Simplify right side
    754,934.10x = 290,232,263,182.82
  5. Step 5: Solve for x
    x = 290,232,263,182.82/754,934.10
  6. Step 6: Final answer
    x = 384,447.15

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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.