Home / 432,242.06-647,817.70-219,063.54

Finding the Fourth Proportional to 432,242.06, 647,817.70 and 219,063.54

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Solution

The fourth proportional to 432,242.06, 647,817.70 and 219,063.54 is: 328,318.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,242.06 : 647,817.70 = 219,063.54 : x
  2. Step 2: Convert to fraction form
    432,242.06/647,817.70 = 219,063.54/x
  3. Step 3: Cross multiply
    432,242.06x = 647,817.70 × 219,063.54
  4. Step 4: Simplify right side
    432,242.06x = 141,913,238,089.00
  5. Step 5: Solve for x
    x = 141,913,238,089.00/432,242.06
  6. Step 6: Final answer
    x = 328,318.90

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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.