Home / 670,817.52-1,006,447.82-271,240.38

Finding the Fourth Proportional to 670,817.52, 1,006,447.82 and 271,240.38

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Solution

The fourth proportional to 670,817.52, 1,006,447.82 and 271,240.38 is: 406,950.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,817.52 : 1,006,447.82 = 271,240.38 : x
  2. Step 2: Convert to fraction form
    670,817.52/1,006,447.82 = 271,240.38/x
  3. Step 3: Cross multiply
    670,817.52x = 1,006,447.82 × 271,240.38
  4. Step 4: Simplify right side
    670,817.52x = 272,989,287,790.77
  5. Step 5: Solve for x
    x = 272,989,287,790.77/670,817.52
  6. Step 6: Final answer
    x = 406,950.15

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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.