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Finding the Fourth Proportional to 704,469.63, 972,168.48 and 382,179.69

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Solution

The fourth proportional to 704,469.63, 972,168.48 and 382,179.69 is: 527,408.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,469.63 : 972,168.48 = 382,179.69 : x
  2. Step 2: Convert to fraction form
    704,469.63/972,168.48 = 382,179.69/x
  3. Step 3: Cross multiply
    704,469.63x = 972,168.48 × 382,179.69
  4. Step 4: Simplify right side
    704,469.63x = 371,543,048,314.17
  5. Step 5: Solve for x
    x = 371,543,048,314.17/704,469.63
  6. Step 6: Final answer
    x = 527,408.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.