Home / 856,642.87-1,182,149.49-474,666.31

Finding the Fourth Proportional to 856,642.87, 1,182,149.49 and 474,666.31

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Solution

The fourth proportional to 856,642.87, 1,182,149.49 and 474,666.31 is: 655,029.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,642.87 : 1,182,149.49 = 474,666.31 : x
  2. Step 2: Convert to fraction form
    856,642.87/1,182,149.49 = 474,666.31/x
  3. Step 3: Cross multiply
    856,642.87x = 1,182,149.49 × 474,666.31
  4. Step 4: Simplify right side
    856,642.87x = 561,126,536,286.68
  5. Step 5: Solve for x
    x = 561,126,536,286.68/856,642.87
  6. Step 6: Final answer
    x = 655,029.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.