Home / 628,724.40-942,557.66-273,470.88

Finding the Fourth Proportional to 628,724.40, 942,557.66 and 273,470.88

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Solution

The fourth proportional to 628,724.40, 942,557.66 and 273,470.88 is: 409,976.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,724.40 : 942,557.66 = 273,470.88 : x
  2. Step 2: Convert to fraction form
    628,724.40/942,557.66 = 273,470.88/x
  3. Step 3: Cross multiply
    628,724.40x = 942,557.66 × 273,470.88
  4. Step 4: Simplify right side
    628,724.40x = 257,762,072,730.94
  5. Step 5: Solve for x
    x = 257,762,072,730.94/628,724.40
  6. Step 6: Final answer
    x = 409,976.25

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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.