Home / 999,908.28-1,499,861.51-325,989.70

Finding the Fourth Proportional to 999,908.28, 1,499,861.51 and 325,989.70

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Solution

The fourth proportional to 999,908.28, 1,499,861.51 and 325,989.70 is: 488,984.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,908.28 : 1,499,861.51 = 325,989.70 : x
  2. Step 2: Convert to fraction form
    999,908.28/1,499,861.51 = 325,989.70/x
  3. Step 3: Cross multiply
    999,908.28x = 1,499,861.51 × 325,989.70
  4. Step 4: Simplify right side
    999,908.28x = 488,939,399,529.31
  5. Step 5: Solve for x
    x = 488,939,399,529.31/999,908.28
  6. Step 6: Final answer
    x = 488,984.25

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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.