Home / 499,680.18-689,556.69-270,237.76

Finding the Fourth Proportional to 499,680.18, 689,556.69 and 270,237.76

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Solution

The fourth proportional to 499,680.18, 689,556.69 and 270,237.76 is: 372,927.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,680.18 : 689,556.69 = 270,237.76 : x
  2. Step 2: Convert to fraction form
    499,680.18/689,556.69 = 270,237.76/x
  3. Step 3: Cross multiply
    499,680.18x = 689,556.69 × 270,237.76
  4. Step 4: Simplify right side
    499,680.18x = 186,344,253,574.72
  5. Step 5: Solve for x
    x = 186,344,253,574.72/499,680.18
  6. Step 6: Final answer
    x = 372,927.05

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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.