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Finding the Fourth Proportional to 432,671.22, 648,125.52 and 352,993.14

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Solution

The fourth proportional to 432,671.22, 648,125.52 and 352,993.14 is: 528,770.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,671.22 : 648,125.52 = 352,993.14 : x
  2. Step 2: Convert to fraction form
    432,671.22/648,125.52 = 352,993.14/x
  3. Step 3: Cross multiply
    432,671.22x = 648,125.52 × 352,993.14
  4. Step 4: Simplify right side
    432,671.22x = 228,783,862,418.93
  5. Step 5: Solve for x
    x = 228,783,862,418.93/432,671.22
  6. Step 6: Final answer
    x = 528,770.70

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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.