Home / 868,546.20-1,302,948.90-307,536.60

Finding the Fourth Proportional to 868,546.20, 1,302,948.90 and 307,536.60

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Solution

The fourth proportional to 868,546.20, 1,302,948.90 and 307,536.60 is: 461,350.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,546.20 : 1,302,948.90 = 307,536.60 : x
  2. Step 2: Convert to fraction form
    868,546.20/1,302,948.90 = 307,536.60/x
  3. Step 3: Cross multiply
    868,546.20x = 1,302,948.90 × 307,536.60
  4. Step 4: Simplify right side
    868,546.20x = 400,704,474,679.74
  5. Step 5: Solve for x
    x = 400,704,474,679.74/868,546.20
  6. Step 6: Final answer
    x = 461,350.79

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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.