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Finding the Fourth Proportional to 655,812.45, 984,004.80 and 229,654.14

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Solution

The fourth proportional to 655,812.45, 984,004.80 and 229,654.14 is: 344,581.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,812.45 : 984,004.80 = 229,654.14 : x
  2. Step 2: Convert to fraction form
    655,812.45/984,004.80 = 229,654.14/x
  3. Step 3: Cross multiply
    655,812.45x = 984,004.80 × 229,654.14
  4. Step 4: Simplify right side
    655,812.45x = 225,980,774,214.00
  5. Step 5: Solve for x
    x = 225,980,774,214.00/655,812.45
  6. Step 6: Final answer
    x = 344,581.40

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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.