Home / 782,676.42-1,173,534.81-333,141.30

Finding the Fourth Proportional to 782,676.42, 1,173,534.81 and 333,141.30

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Solution

The fourth proportional to 782,676.42, 1,173,534.81 and 333,141.30 is: 499,507.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,676.42 : 1,173,534.81 = 333,141.30 : x
  2. Step 2: Convert to fraction form
    782,676.42/1,173,534.81 = 333,141.30/x
  3. Step 3: Cross multiply
    782,676.42x = 1,173,534.81 × 333,141.30
  4. Step 4: Simplify right side
    782,676.42x = 390,952,912,198.65
  5. Step 5: Solve for x
    x = 390,952,912,198.65/782,676.42
  6. Step 6: Final answer
    x = 499,507.72

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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.