Home / 653,057.04-979,208.40-253,230.72

Finding the Fourth Proportional to 653,057.04, 979,208.40 and 253,230.72

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Solution

The fourth proportional to 653,057.04, 979,208.40 and 253,230.72 is: 379,699.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,057.04 : 979,208.40 = 253,230.72 : x
  2. Step 2: Convert to fraction form
    653,057.04/979,208.40 = 253,230.72/x
  3. Step 3: Cross multiply
    653,057.04x = 979,208.40 × 253,230.72
  4. Step 4: Simplify right side
    653,057.04x = 247,965,648,162.05
  5. Step 5: Solve for x
    x = 247,965,648,162.05/653,057.04
  6. Step 6: Final answer
    x = 379,699.83

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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.