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Finding the Fourth Proportional to 632,379.61, 948,571.04 and 258,402.61

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Solution

The fourth proportional to 632,379.61, 948,571.04 and 258,402.61 is: 387,604.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,379.61 : 948,571.04 = 258,402.61 : x
  2. Step 2: Convert to fraction form
    632,379.61/948,571.04 = 258,402.61/x
  3. Step 3: Cross multiply
    632,379.61x = 948,571.04 × 258,402.61
  4. Step 4: Simplify right side
    632,379.61x = 245,113,232,506.41
  5. Step 5: Solve for x
    x = 245,113,232,506.41/632,379.61
  6. Step 6: Final answer
    x = 387,604.58

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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.