Home / 745,082.28-1,117,790.10-271,767.66

Finding the Fourth Proportional to 745,082.28, 1,117,790.10 and 271,767.66

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Solution

The fourth proportional to 745,082.28, 1,117,790.10 and 271,767.66 is: 407,712.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,082.28 : 1,117,790.10 = 271,767.66 : x
  2. Step 2: Convert to fraction form
    745,082.28/1,117,790.10 = 271,767.66/x
  3. Step 3: Cross multiply
    745,082.28x = 1,117,790.10 × 271,767.66
  4. Step 4: Simplify right side
    745,082.28x = 303,779,199,848.17
  5. Step 5: Solve for x
    x = 303,779,199,848.17/745,082.28
  6. Step 6: Final answer
    x = 407,712.29

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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.