Home / 782,997.24-1,174,502.80-309,682.65

Finding the Fourth Proportional to 782,997.24, 1,174,502.80 and 309,682.65

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Solution

The fourth proportional to 782,997.24, 1,174,502.80 and 309,682.65 is: 464,526.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,997.24 : 1,174,502.80 = 309,682.65 : x
  2. Step 2: Convert to fraction form
    782,997.24/1,174,502.80 = 309,682.65/x
  3. Step 3: Cross multiply
    782,997.24x = 1,174,502.80 × 309,682.65
  4. Step 4: Simplify right side
    782,997.24x = 363,723,144,327.91
  5. Step 5: Solve for x
    x = 363,723,144,327.91/782,997.24
  6. Step 6: Final answer
    x = 464,526.72

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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.