Home / 747,410.72-1,120,449.45-273,985.57

Finding the Fourth Proportional to 747,410.72, 1,120,449.45 and 273,985.57

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Solution

The fourth proportional to 747,410.72, 1,120,449.45 and 273,985.57 is: 410,733.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,410.72 : 1,120,449.45 = 273,985.57 : x
  2. Step 2: Convert to fraction form
    747,410.72/1,120,449.45 = 273,985.57/x
  3. Step 3: Cross multiply
    747,410.72x = 1,120,449.45 × 273,985.57
  4. Step 4: Simplify right side
    747,410.72x = 306,986,975,612.19
  5. Step 5: Solve for x
    x = 306,986,975,612.19/747,410.72
  6. Step 6: Final answer
    x = 410,733.97

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Double scale
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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.