Home / 680,234.59-1,020,351.88-247,984.48

Finding the Fourth Proportional to 680,234.59, 1,020,351.88 and 247,984.48

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Solution

The fourth proportional to 680,234.59, 1,020,351.88 and 247,984.48 is: 371,976.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,234.59 : 1,020,351.88 = 247,984.48 : x
  2. Step 2: Convert to fraction form
    680,234.59/1,020,351.88 = 247,984.48/x
  3. Step 3: Cross multiply
    680,234.59x = 1,020,351.88 × 247,984.48
  4. Step 4: Simplify right side
    680,234.59x = 253,031,430,378.82
  5. Step 5: Solve for x
    x = 253,031,430,378.82/680,234.59
  6. Step 6: Final answer
    x = 371,976.72

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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.