Home / 905,988.56-1,250,272.61-498,093.26

Finding the Fourth Proportional to 905,988.56, 1,250,272.61 and 498,093.26

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Solution

The fourth proportional to 905,988.56, 1,250,272.61 and 498,093.26 is: 687,373.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,988.56 : 1,250,272.61 = 498,093.26 : x
  2. Step 2: Convert to fraction form
    905,988.56/1,250,272.61 = 498,093.26/x
  3. Step 3: Cross multiply
    905,988.56x = 1,250,272.61 × 498,093.26
  4. Step 4: Simplify right side
    905,988.56x = 622,752,364,574.52
  5. Step 5: Solve for x
    x = 622,752,364,574.52/905,988.56
  6. Step 6: Final answer
    x = 687,373.32

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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.