Home / 745,449.66-1,117,178.01-271,689.66

Finding the Fourth Proportional to 745,449.66, 1,117,178.01 and 271,689.66

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Solution

The fourth proportional to 745,449.66, 1,117,178.01 and 271,689.66 is: 407,171.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,449.66 : 1,117,178.01 = 271,689.66 : x
  2. Step 2: Convert to fraction form
    745,449.66/1,117,178.01 = 271,689.66/x
  3. Step 3: Cross multiply
    745,449.66x = 1,117,178.01 × 271,689.66
  4. Step 4: Simplify right side
    745,449.66x = 303,525,713,696.38
  5. Step 5: Solve for x
    x = 303,525,713,696.38/745,449.66
  6. Step 6: Final answer
    x = 407,171.31

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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.