Home / 903,279.75-1,246,410.77-516,120.25

Finding the Fourth Proportional to 903,279.75, 1,246,410.77 and 516,120.25

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Solution

The fourth proportional to 903,279.75, 1,246,410.77 and 516,120.25 is: 712,180.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,279.75 : 1,246,410.77 = 516,120.25 : x
  2. Step 2: Convert to fraction form
    903,279.75/1,246,410.77 = 516,120.25/x
  3. Step 3: Cross multiply
    903,279.75x = 1,246,410.77 × 516,120.25
  4. Step 4: Simplify right side
    903,279.75x = 643,297,838,215.09
  5. Step 5: Solve for x
    x = 643,297,838,215.09/903,279.75
  6. Step 6: Final answer
    x = 712,180.07

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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.