Home / 745,117.20-1,117,679.45-271,801.80

Finding the Fourth Proportional to 745,117.20, 1,117,679.45 and 271,801.80

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Solution

The fourth proportional to 745,117.20, 1,117,679.45 and 271,801.80 is: 407,704.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,117.20 : 1,117,679.45 = 271,801.80 : x
  2. Step 2: Convert to fraction form
    745,117.20/1,117,679.45 = 271,801.80/x
  3. Step 3: Cross multiply
    745,117.20x = 1,117,679.45 × 271,801.80
  4. Step 4: Simplify right side
    745,117.20x = 303,787,284,974.00
  5. Step 5: Solve for x
    x = 303,787,284,974.00/745,117.20
  6. Step 6: Final answer
    x = 407,704.03

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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.