Home / 722,043.60-1,082,767.32-272,688

Finding the Fourth Proportional to 722,043.60, 1,082,767.32 and 272,688

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Solution

The fourth proportional to 722,043.60, 1,082,767.32 and 272,688 is: 408,919.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,043.60 : 1,082,767.32 = 272,688 : x
  2. Step 2: Convert to fraction form
    722,043.60/1,082,767.32 = 272,688/x
  3. Step 3: Cross multiply
    722,043.60x = 1,082,767.32 × 272,688
  4. Step 4: Simplify right side
    722,043.60x = 295,257,654,956.16
  5. Step 5: Solve for x
    x = 295,257,654,956.16/722,043.60
  6. Step 6: Final answer
    x = 408,919.43

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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.