Home / 759,293-1,138,508.20-309,487.04

Finding the Fourth Proportional to 759,293, 1,138,508.20 and 309,487.04

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Solution

The fourth proportional to 759,293, 1,138,508.20 and 309,487.04 is: 464,054.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,293 : 1,138,508.20 = 309,487.04 : x
  2. Step 2: Convert to fraction form
    759,293/1,138,508.20 = 309,487.04/x
  3. Step 3: Cross multiply
    759,293x = 1,138,508.20 × 309,487.04
  4. Step 4: Simplify right side
    759,293x = 352,353,532,833.73
  5. Step 5: Solve for x
    x = 352,353,532,833.73/759,293
  6. Step 6: Final answer
    x = 464,054.76

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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.