Home / 489,345.28-675,295.10-271,586.83

Finding the Fourth Proportional to 489,345.28, 675,295.10 and 271,586.83

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Solution

The fourth proportional to 489,345.28, 675,295.10 and 271,586.83 is: 374,789.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,345.28 : 675,295.10 = 271,586.83 : x
  2. Step 2: Convert to fraction form
    489,345.28/675,295.10 = 271,586.83/x
  3. Step 3: Cross multiply
    489,345.28x = 675,295.10 × 271,586.83
  4. Step 4: Simplify right side
    489,345.28x = 183,401,250,789.12
  5. Step 5: Solve for x
    x = 183,401,250,789.12/489,345.28
  6. Step 6: Final answer
    x = 374,789.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.