Home / 653,108.72-979,777.89-298,158.62

Finding the Fourth Proportional to 653,108.72, 979,777.89 and 298,158.62

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Solution

The fourth proportional to 653,108.72, 979,777.89 and 298,158.62 is: 447,290.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,108.72 : 979,777.89 = 298,158.62 : x
  2. Step 2: Convert to fraction form
    653,108.72/979,777.89 = 298,158.62/x
  3. Step 3: Cross multiply
    653,108.72x = 979,777.89 × 298,158.62
  4. Step 4: Simplify right side
    653,108.72x = 292,129,218,690.02
  5. Step 5: Solve for x
    x = 292,129,218,690.02/653,108.72
  6. Step 6: Final answer
    x = 447,290.34

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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.