Home / 988,378.60-1,482,222.30-514,906.60

Finding the Fourth Proportional to 988,378.60, 1,482,222.30 and 514,906.60

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Solution

The fourth proportional to 988,378.60, 1,482,222.30 and 514,906.60 is: 772,179.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,378.60 : 1,482,222.30 = 514,906.60 : x
  2. Step 2: Convert to fraction form
    988,378.60/1,482,222.30 = 514,906.60/x
  3. Step 3: Cross multiply
    988,378.60x = 1,482,222.30 × 514,906.60
  4. Step 4: Simplify right side
    988,378.60x = 763,206,044,937.18
  5. Step 5: Solve for x
    x = 763,206,044,937.18/988,378.60
  6. Step 6: Final answer
    x = 772,179.86

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1.5x scale

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.