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Finding the Fourth Proportional to 674,508.80, 931,016.04 and 445,233.44

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Solution

The fourth proportional to 674,508.80, 931,016.04 and 445,233.44 is: 614,550.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,508.80 : 931,016.04 = 445,233.44 : x
  2. Step 2: Convert to fraction form
    674,508.80/931,016.04 = 445,233.44/x
  3. Step 3: Cross multiply
    674,508.80x = 931,016.04 × 445,233.44
  4. Step 4: Simplify right side
    674,508.80x = 414,519,474,184.38
  5. Step 5: Solve for x
    x = 414,519,474,184.38/674,508.80
  6. Step 6: Final answer
    x = 614,550.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.