Home / 999,539.60-1,499,308.16-325,619.78

Finding the Fourth Proportional to 999,539.60, 1,499,308.16 and 325,619.78

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Solution

The fourth proportional to 999,539.60, 1,499,308.16 and 325,619.78 is: 488,429.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,539.60 : 1,499,308.16 = 325,619.78 : x
  2. Step 2: Convert to fraction form
    999,539.60/1,499,308.16 = 325,619.78/x
  3. Step 3: Cross multiply
    999,539.60x = 1,499,308.16 × 325,619.78
  4. Step 4: Simplify right side
    999,539.60x = 488,204,384,086.77
  5. Step 5: Solve for x
    x = 488,204,384,086.77/999,539.60
  6. Step 6: Final answer
    x = 488,429.26

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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.