Home / 454,313.60-681,470.40-451,203.20

Finding the Fourth Proportional to 454,313.60, 681,470.40 and 451,203.20

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Solution

The fourth proportional to 454,313.60, 681,470.40 and 451,203.20 is: 676,804.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,313.60 : 681,470.40 = 451,203.20 : x
  2. Step 2: Convert to fraction form
    454,313.60/681,470.40 = 451,203.20/x
  3. Step 3: Cross multiply
    454,313.60x = 681,470.40 × 451,203.20
  4. Step 4: Simplify right side
    454,313.60x = 307,481,625,185.28
  5. Step 5: Solve for x
    x = 307,481,625,185.28/454,313.60
  6. Step 6: Final answer
    x = 676,804.80

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.