Home / 999,909.28-1,499,863.01-325,990.70

Finding the Fourth Proportional to 999,909.28, 1,499,863.01 and 325,990.70

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Solution

The fourth proportional to 999,909.28, 1,499,863.01 and 325,990.70 is: 488,985.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,909.28 : 1,499,863.01 = 325,990.70 : x
  2. Step 2: Convert to fraction form
    999,909.28/1,499,863.01 = 325,990.70/x
  3. Step 3: Cross multiply
    999,909.28x = 1,499,863.01 × 325,990.70
  4. Step 4: Simplify right side
    999,909.28x = 488,941,392,534.01
  5. Step 5: Solve for x
    x = 488,941,392,534.01/999,909.28
  6. Step 6: Final answer
    x = 488,985.75

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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.