Home / 667,766.44-921,562.89-377,277.25

Finding the Fourth Proportional to 667,766.44, 921,562.89 and 377,277.25

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Solution

The fourth proportional to 667,766.44, 921,562.89 and 377,277.25 is: 520,668.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,766.44 : 921,562.89 = 377,277.25 : x
  2. Step 2: Convert to fraction form
    667,766.44/921,562.89 = 377,277.25/x
  3. Step 3: Cross multiply
    667,766.44x = 921,562.89 × 377,277.25
  4. Step 4: Simplify right side
    667,766.44x = 347,684,712,841.25
  5. Step 5: Solve for x
    x = 347,684,712,841.25/667,766.44
  6. Step 6: Final answer
    x = 520,668.14

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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.