Home / 642,260.97-964,868.22-453,157.11

Finding the Fourth Proportional to 642,260.97, 964,868.22 and 453,157.11

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Solution

The fourth proportional to 642,260.97, 964,868.22 and 453,157.11 is: 680,777.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    642,260.97 : 964,868.22 = 453,157.11 : x
  2. Step 2: Convert to fraction form
    642,260.97/964,868.22 = 453,157.11/x
  3. Step 3: Cross multiply
    642,260.97x = 964,868.22 × 453,157.11
  4. Step 4: Simplify right side
    642,260.97x = 437,236,894,106.04
  5. Step 5: Solve for x
    x = 437,236,894,106.04/642,260.97
  6. Step 6: Final answer
    x = 680,777.62

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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.