Home / 902,629-1,245,628.02-500,246.92

Finding the Fourth Proportional to 902,629, 1,245,628.02 and 500,246.92

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Solution

The fourth proportional to 902,629, 1,245,628.02 and 500,246.92 is: 690,340.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,629 : 1,245,628.02 = 500,246.92 : x
  2. Step 2: Convert to fraction form
    902,629/1,245,628.02 = 500,246.92/x
  3. Step 3: Cross multiply
    902,629x = 1,245,628.02 × 500,246.92
  4. Step 4: Simplify right side
    902,629x = 623,121,580,470.70
  5. Step 5: Solve for x
    x = 623,121,580,470.70/902,629
  6. Step 6: Final answer
    x = 690,340.75

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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.