Home / 862,357.62-1,293,060.29-400,231.76

Finding the Fourth Proportional to 862,357.62, 1,293,060.29 and 400,231.76

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Solution

The fourth proportional to 862,357.62, 1,293,060.29 and 400,231.76 is: 600,126.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,357.62 : 1,293,060.29 = 400,231.76 : x
  2. Step 2: Convert to fraction form
    862,357.62/1,293,060.29 = 400,231.76/x
  3. Step 3: Cross multiply
    862,357.62x = 1,293,060.29 × 400,231.76
  4. Step 4: Simplify right side
    862,357.62x = 517,523,787,186.35
  5. Step 5: Solve for x
    x = 517,523,787,186.35/862,357.62
  6. Step 6: Final answer
    x = 600,126.65

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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.