Home / 689,094.56-1,032,589.20-289,516.88

Finding the Fourth Proportional to 689,094.56, 1,032,589.20 and 289,516.88

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Solution

The fourth proportional to 689,094.56, 1,032,589.20 and 289,516.88 is: 433,833.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,094.56 : 1,032,589.20 = 289,516.88 : x
  2. Step 2: Convert to fraction form
    689,094.56/1,032,589.20 = 289,516.88/x
  3. Step 3: Cross multiply
    689,094.56x = 1,032,589.20 × 289,516.88
  4. Step 4: Simplify right side
    689,094.56x = 298,952,003,505.70
  5. Step 5: Solve for x
    x = 298,952,003,505.70/689,094.56
  6. Step 6: Final answer
    x = 433,833.06

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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.