Home / 668,647.47-1,002,934.11-488,917.08

Finding the Fourth Proportional to 668,647.47, 1,002,934.11 and 488,917.08

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Solution

The fourth proportional to 668,647.47, 1,002,934.11 and 488,917.08 is: 733,348.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,647.47 : 1,002,934.11 = 488,917.08 : x
  2. Step 2: Convert to fraction form
    668,647.47/1,002,934.11 = 488,917.08/x
  3. Step 3: Cross multiply
    668,647.47x = 1,002,934.11 × 488,917.08
  4. Step 4: Simplify right side
    668,647.47x = 490,351,616,493.60
  5. Step 5: Solve for x
    x = 490,351,616,493.60/668,647.47
  6. Step 6: Final answer
    x = 733,348.50

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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.