Home / 641,474.07-962,424.87-215,052.05

Finding the Fourth Proportional to 641,474.07, 962,424.87 and 215,052.05

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Solution

The fourth proportional to 641,474.07, 962,424.87 and 215,052.05 is: 322,649.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,474.07 : 962,424.87 = 215,052.05 : x
  2. Step 2: Convert to fraction form
    641,474.07/962,424.87 = 215,052.05/x
  3. Step 3: Cross multiply
    641,474.07x = 962,424.87 × 215,052.05
  4. Step 4: Simplify right side
    641,474.07x = 206,971,441,264.48
  5. Step 5: Solve for x
    x = 206,971,441,264.48/641,474.07
  6. Step 6: Final answer
    x = 322,649.74

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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.