Home / 769,516.21-1,061,930.14-429,984.73

Finding the Fourth Proportional to 769,516.21, 1,061,930.14 and 429,984.73

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Solution

The fourth proportional to 769,516.21, 1,061,930.14 and 429,984.73 is: 593,377.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,516.21 : 1,061,930.14 = 429,984.73 : x
  2. Step 2: Convert to fraction form
    769,516.21/1,061,930.14 = 429,984.73/x
  3. Step 3: Cross multiply
    769,516.21x = 1,061,930.14 × 429,984.73
  4. Step 4: Simplify right side
    769,516.21x = 456,613,744,526.76
  5. Step 5: Solve for x
    x = 456,613,744,526.76/769,516.21
  6. Step 6: Final answer
    x = 593,377.68

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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.