Home / 988,382.60-1,482,228.30-514,910.60

Finding the Fourth Proportional to 988,382.60, 1,482,228.30 and 514,910.60

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Solution

The fourth proportional to 988,382.60, 1,482,228.30 and 514,910.60 is: 772,185.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,382.60 : 1,482,228.30 = 514,910.60 : x
  2. Step 2: Convert to fraction form
    988,382.60/1,482,228.30 = 514,910.60/x
  3. Step 3: Cross multiply
    988,382.60x = 1,482,228.30 × 514,910.60
  4. Step 4: Simplify right side
    988,382.60x = 763,215,063,289.98
  5. Step 5: Solve for x
    x = 763,215,063,289.98/988,382.60
  6. Step 6: Final answer
    x = 772,185.86

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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.