Home / 672,646.29-1,008,672.59-192,765.18

Finding the Fourth Proportional to 672,646.29, 1,008,672.59 and 192,765.18

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Solution

The fourth proportional to 672,646.29, 1,008,672.59 and 192,765.18 is: 289,062.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,646.29 : 1,008,672.59 = 192,765.18 : x
  2. Step 2: Convert to fraction form
    672,646.29/1,008,672.59 = 192,765.18/x
  3. Step 3: Cross multiply
    672,646.29x = 1,008,672.59 × 192,765.18
  4. Step 4: Simplify right side
    672,646.29x = 194,436,953,372.42
  5. Step 5: Solve for x
    x = 194,436,953,372.42/672,646.29
  6. Step 6: Final answer
    x = 289,062.70

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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.