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Finding the Fourth Proportional to 641,963.32, 962,373.94 and 304,795.96

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Solution

The fourth proportional to 641,963.32, 962,373.94 and 304,795.96 is: 456,922.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,963.32 : 962,373.94 = 304,795.96 : x
  2. Step 2: Convert to fraction form
    641,963.32/962,373.94 = 304,795.96/x
  3. Step 3: Cross multiply
    641,963.32x = 962,373.94 × 304,795.96
  4. Step 4: Simplify right side
    641,963.32x = 293,327,688,921.28
  5. Step 5: Solve for x
    x = 293,327,688,921.28/641,963.32
  6. Step 6: Final answer
    x = 456,922.82

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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.