Home / 714,051.21-985,132.07-469,167.89

Finding the Fourth Proportional to 714,051.21, 985,132.07 and 469,167.89

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Solution

The fourth proportional to 714,051.21, 985,132.07 and 469,167.89 is: 647,281.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,051.21 : 985,132.07 = 469,167.89 : x
  2. Step 2: Convert to fraction form
    714,051.21/985,132.07 = 469,167.89/x
  3. Step 3: Cross multiply
    714,051.21x = 985,132.07 × 469,167.89
  4. Step 4: Simplify right side
    714,051.21x = 462,192,327,381.73
  5. Step 5: Solve for x
    x = 462,192,327,381.73/714,051.21
  6. Step 6: Final answer
    x = 647,281.76

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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.