Home / 632,388.86-948,584.92-258,411.86

Finding the Fourth Proportional to 632,388.86, 948,584.92 and 258,411.86

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Solution

The fourth proportional to 632,388.86, 948,584.92 and 258,411.86 is: 387,618.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,388.86 : 948,584.92 = 258,411.86 : x
  2. Step 2: Convert to fraction form
    632,388.86/948,584.92 = 258,411.86/x
  3. Step 3: Cross multiply
    632,388.86x = 948,584.92 × 258,411.86
  4. Step 4: Simplify right side
    632,388.86x = 245,125,593,545.15
  5. Step 5: Solve for x
    x = 245,125,593,545.15/632,388.86
  6. Step 6: Final answer
    x = 387,618.46

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1.5x scale

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.