Home / 691,339.76-1,037,009.64-218,062.02

Finding the Fourth Proportional to 691,339.76, 1,037,009.64 and 218,062.02

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Solution

The fourth proportional to 691,339.76, 1,037,009.64 and 218,062.02 is: 327,093.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,339.76 : 1,037,009.64 = 218,062.02 : x
  2. Step 2: Convert to fraction form
    691,339.76/1,037,009.64 = 218,062.02/x
  3. Step 3: Cross multiply
    691,339.76x = 1,037,009.64 × 218,062.02
  4. Step 4: Simplify right side
    691,339.76x = 226,132,416,857.87
  5. Step 5: Solve for x
    x = 226,132,416,857.87/691,339.76
  6. Step 6: Final answer
    x = 327,093.03

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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.