Home / 869,601.79-1,304,492.06-300,981.96

Finding the Fourth Proportional to 869,601.79, 1,304,492.06 and 300,981.96

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Solution

The fourth proportional to 869,601.79, 1,304,492.06 and 300,981.96 is: 451,503.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,601.79 : 1,304,492.06 = 300,981.96 : x
  2. Step 2: Convert to fraction form
    869,601.79/1,304,492.06 = 300,981.96/x
  3. Step 3: Cross multiply
    869,601.79x = 1,304,492.06 × 300,981.96
  4. Step 4: Simplify right side
    869,601.79x = 392,628,577,023.24
  5. Step 5: Solve for x
    x = 392,628,577,023.24/869,601.79
  6. Step 6: Final answer
    x = 451,503.87

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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.