Home / 486,067.80-670,666.18-282,000.52

Finding the Fourth Proportional to 486,067.80, 670,666.18 and 282,000.52

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Solution

The fourth proportional to 486,067.80, 670,666.18 and 282,000.52 is: 389,098.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,067.80 : 670,666.18 = 282,000.52 : x
  2. Step 2: Convert to fraction form
    486,067.80/670,666.18 = 282,000.52/x
  3. Step 3: Cross multiply
    486,067.80x = 670,666.18 × 282,000.52
  4. Step 4: Simplify right side
    486,067.80x = 189,128,206,743.08
  5. Step 5: Solve for x
    x = 189,128,206,743.08/486,067.80
  6. Step 6: Final answer
    x = 389,098.41

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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.