Home / 539,631.55-744,789.03-321,854.19

Finding the Fourth Proportional to 539,631.55, 744,789.03 and 321,854.19

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Solution

The fourth proportional to 539,631.55, 744,789.03 and 321,854.19 is: 444,216.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,631.55 : 744,789.03 = 321,854.19 : x
  2. Step 2: Convert to fraction form
    539,631.55/744,789.03 = 321,854.19/x
  3. Step 3: Cross multiply
    539,631.55x = 744,789.03 × 321,854.19
  4. Step 4: Simplify right side
    539,631.55x = 239,713,470,161.06
  5. Step 5: Solve for x
    x = 239,713,470,161.06/539,631.55
  6. Step 6: Final answer
    x = 444,216.93

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1.5x scale

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.