Home / 745,194.20-1,118,082.90-271,927.40

Finding the Fourth Proportional to 745,194.20, 1,118,082.90 and 271,927.40

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Solution

The fourth proportional to 745,194.20, 1,118,082.90 and 271,927.40 is: 407,997.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,194.20 : 1,118,082.90 = 271,927.40 : x
  2. Step 2: Convert to fraction form
    745,194.20/1,118,082.90 = 271,927.40/x
  3. Step 3: Cross multiply
    745,194.20x = 1,118,082.90 × 271,927.40
  4. Step 4: Simplify right side
    745,194.20x = 304,037,375,981.46
  5. Step 5: Solve for x
    x = 304,037,375,981.46/745,194.20
  6. Step 6: Final answer
    x = 407,997.51

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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.