Home / 470,922.60-706,772.70-218,591.40

Finding the Fourth Proportional to 470,922.60, 706,772.70 and 218,591.40

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Solution

The fourth proportional to 470,922.60, 706,772.70 and 218,591.40 is: 328,067.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,922.60 : 706,772.70 = 218,591.40 : x
  2. Step 2: Convert to fraction form
    470,922.60/706,772.70 = 218,591.40/x
  3. Step 3: Cross multiply
    470,922.60x = 706,772.70 × 218,591.40
  4. Step 4: Simplify right side
    470,922.60x = 154,494,433,974.78
  5. Step 5: Solve for x
    x = 154,494,433,974.78/470,922.60
  6. Step 6: Final answer
    x = 328,067.57

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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.