Home / 653,307.25-979,579.40-253,481.05

Finding the Fourth Proportional to 653,307.25, 979,579.40 and 253,481.05

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Solution

The fourth proportional to 653,307.25, 979,579.40 and 253,481.05 is: 380,073.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,307.25 : 979,579.40 = 253,481.05 : x
  2. Step 2: Convert to fraction form
    653,307.25/979,579.40 = 253,481.05/x
  3. Step 3: Cross multiply
    653,307.25x = 979,579.40 × 253,481.05
  4. Step 4: Simplify right side
    653,307.25x = 248,304,810,030.22
  5. Step 5: Solve for x
    x = 248,304,810,030.22/653,307.25
  6. Step 6: Final answer
    x = 380,073.56

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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.