Home / 745,089.75-1,117,801.30-271,775.12

Finding the Fourth Proportional to 745,089.75, 1,117,801.30 and 271,775.12

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Solution

The fourth proportional to 745,089.75, 1,117,801.30 and 271,775.12 is: 407,723.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,089.75 : 1,117,801.30 = 271,775.12 : x
  2. Step 2: Convert to fraction form
    745,089.75/1,117,801.30 = 271,775.12/x
  3. Step 3: Cross multiply
    745,089.75x = 1,117,801.30 × 271,775.12
  4. Step 4: Simplify right side
    745,089.75x = 303,790,576,854.65
  5. Step 5: Solve for x
    x = 303,790,576,854.65/745,089.75
  6. Step 6: Final answer
    x = 407,723.47

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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.