Home / 633,231.20-949,040.40-258,831.20

Finding the Fourth Proportional to 633,231.20, 949,040.40 and 258,831.20

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Solution

The fourth proportional to 633,231.20, 949,040.40 and 258,831.20 is: 387,917.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,231.20 : 949,040.40 = 258,831.20 : x
  2. Step 2: Convert to fraction form
    633,231.20/949,040.40 = 258,831.20/x
  3. Step 3: Cross multiply
    633,231.20x = 949,040.40 × 258,831.20
  4. Step 4: Simplify right side
    633,231.20x = 245,641,265,580.48
  5. Step 5: Solve for x
    x = 245,641,265,580.48/633,231.20
  6. Step 6: Final answer
    x = 387,917.19

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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.