Home / 676,789.08-1,015,679.79-545,257.41

Finding the Fourth Proportional to 676,789.08, 1,015,679.79 and 545,257.41

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Solution

The fourth proportional to 676,789.08, 1,015,679.79 and 545,257.41 is: 818,285.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,789.08 : 1,015,679.79 = 545,257.41 : x
  2. Step 2: Convert to fraction form
    676,789.08/1,015,679.79 = 545,257.41/x
  3. Step 3: Cross multiply
    676,789.08x = 1,015,679.79 × 545,257.41
  4. Step 4: Simplify right side
    676,789.08x = 553,806,931,684.74
  5. Step 5: Solve for x
    x = 553,806,931,684.74/676,789.08
  6. Step 6: Final answer
    x = 818,285.86

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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.