Home / 905,967.75-1,250,203.65-498,066.63

Finding the Fourth Proportional to 905,967.75, 1,250,203.65 and 498,066.63

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Solution

The fourth proportional to 905,967.75, 1,250,203.65 and 498,066.63 is: 687,314.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,967.75 : 1,250,203.65 = 498,066.63 : x
  2. Step 2: Convert to fraction form
    905,967.75/1,250,203.65 = 498,066.63/x
  3. Step 3: Cross multiply
    905,967.75x = 1,250,203.65 × 498,066.63
  4. Step 4: Simplify right side
    905,967.75x = 622,684,718,769.20
  5. Step 5: Solve for x
    x = 622,684,718,769.20/905,967.75
  6. Step 6: Final answer
    x = 687,314.44

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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.