Home / 632,399.36-948,600.66-258,422.36

Finding the Fourth Proportional to 632,399.36, 948,600.66 and 258,422.36

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Solution

The fourth proportional to 632,399.36, 948,600.66 and 258,422.36 is: 387,634.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,399.36 : 948,600.66 = 258,422.36 : x
  2. Step 2: Convert to fraction form
    632,399.36/948,600.66 = 258,422.36/x
  3. Step 3: Cross multiply
    632,399.36x = 948,600.66 × 258,422.36
  4. Step 4: Simplify right side
    632,399.36x = 245,139,621,254.76
  5. Step 5: Solve for x
    x = 245,139,621,254.76/632,399.36
  6. Step 6: Final answer
    x = 387,634.20

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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.