Home / 856,633.32-1,182,160.98-474,666.48

Finding the Fourth Proportional to 856,633.32, 1,182,160.98 and 474,666.48

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Solution

The fourth proportional to 856,633.32, 1,182,160.98 and 474,666.48 is: 655,043.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,633.32 : 1,182,160.98 = 474,666.48 : x
  2. Step 2: Convert to fraction form
    856,633.32/1,182,160.98 = 474,666.48/x
  3. Step 3: Cross multiply
    856,633.32x = 1,182,160.98 × 474,666.48
  4. Step 4: Simplify right side
    856,633.32x = 561,132,191,169.95
  5. Step 5: Solve for x
    x = 561,132,191,169.95/856,633.32
  6. Step 6: Final answer
    x = 655,043.62

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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.