Home / 671,285.73-1,006,931.31-271,934.06

Finding the Fourth Proportional to 671,285.73, 1,006,931.31 and 271,934.06

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Solution

The fourth proportional to 671,285.73, 1,006,931.31 and 271,934.06 is: 407,902.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,285.73 : 1,006,931.31 = 271,934.06 : x
  2. Step 2: Convert to fraction form
    671,285.73/1,006,931.31 = 271,934.06/x
  3. Step 3: Cross multiply
    671,285.73x = 1,006,931.31 × 271,934.06
  4. Step 4: Simplify right side
    671,285.73x = 273,818,917,909.75
  5. Step 5: Solve for x
    x = 273,818,917,909.75/671,285.73
  6. Step 6: Final answer
    x = 407,902.19

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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.