Home / 489,166.10-733,749.15-355,321.70

Finding the Fourth Proportional to 489,166.10, 733,749.15 and 355,321.70

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Solution

The fourth proportional to 489,166.10, 733,749.15 and 355,321.70 is: 532,982.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,166.10 : 733,749.15 = 355,321.70 : x
  2. Step 2: Convert to fraction form
    489,166.10/733,749.15 = 355,321.70/x
  3. Step 3: Cross multiply
    489,166.10x = 733,749.15 × 355,321.70
  4. Step 4: Simplify right side
    489,166.10x = 260,716,995,351.56
  5. Step 5: Solve for x
    x = 260,716,995,351.56/489,166.10
  6. Step 6: Final answer
    x = 532,982.55

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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.