Home / 999,863.20-1,499,794.80-438,897.70

Finding the Fourth Proportional to 999,863.20, 1,499,794.80 and 438,897.70

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Solution

The fourth proportional to 999,863.20, 1,499,794.80 and 438,897.70 is: 658,346.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,863.20 : 1,499,794.80 = 438,897.70 : x
  2. Step 2: Convert to fraction form
    999,863.20/1,499,794.80 = 438,897.70/x
  3. Step 3: Cross multiply
    999,863.20x = 1,499,794.80 × 438,897.70
  4. Step 4: Simplify right side
    999,863.20x = 658,256,488,191.96
  5. Step 5: Solve for x
    x = 658,256,488,191.96/999,863.20
  6. Step 6: Final answer
    x = 658,346.55

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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.