Home / 516,202.39-712,618.31-322,717.60

Finding the Fourth Proportional to 516,202.39, 712,618.31 and 322,717.60

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Solution

The fourth proportional to 516,202.39, 712,618.31 and 322,717.60 is: 445,512.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,202.39 : 712,618.31 = 322,717.60 : x
  2. Step 2: Convert to fraction form
    516,202.39/712,618.31 = 322,717.60/x
  3. Step 3: Cross multiply
    516,202.39x = 712,618.31 × 322,717.60
  4. Step 4: Simplify right side
    516,202.39x = 229,974,465,542.58
  5. Step 5: Solve for x
    x = 229,974,465,542.58/516,202.39
  6. Step 6: Final answer
    x = 445,512.21

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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.