Home / 792,022.96-1,187,757.96-318,585.52

Finding the Fourth Proportional to 792,022.96, 1,187,757.96 and 318,585.52

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Solution

The fourth proportional to 792,022.96, 1,187,757.96 and 318,585.52 is: 477,767.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,022.96 : 1,187,757.96 = 318,585.52 : x
  2. Step 2: Convert to fraction form
    792,022.96/1,187,757.96 = 318,585.52/x
  3. Step 3: Cross multiply
    792,022.96x = 1,187,757.96 × 318,585.52
  4. Step 4: Simplify right side
    792,022.96x = 378,402,487,320.74
  5. Step 5: Solve for x
    x = 378,402,487,320.74/792,022.96
  6. Step 6: Final answer
    x = 477,767.07

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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.