Home / 745,110.60-1,117,034.10-271,519.80

Finding the Fourth Proportional to 745,110.60, 1,117,034.10 and 271,519.80

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Solution

The fourth proportional to 745,110.60, 1,117,034.10 and 271,519.80 is: 407,049.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,110.60 : 1,117,034.10 = 271,519.80 : x
  2. Step 2: Convert to fraction form
    745,110.60/1,117,034.10 = 271,519.80/x
  3. Step 3: Cross multiply
    745,110.60x = 1,117,034.10 × 271,519.80
  4. Step 4: Simplify right side
    745,110.60x = 303,296,875,425.18
  5. Step 5: Solve for x
    x = 303,296,875,425.18/745,110.60
  6. Step 6: Final answer
    x = 407,049.47

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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.