Home / 527,255.65-790,350.87-207,631.81

Finding the Fourth Proportional to 527,255.65, 790,350.87 and 207,631.81

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Solution

The fourth proportional to 527,255.65, 790,350.87 and 207,631.81 is: 311,237.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,255.65 : 790,350.87 = 207,631.81 : x
  2. Step 2: Convert to fraction form
    527,255.65/790,350.87 = 207,631.81/x
  3. Step 3: Cross multiply
    527,255.65x = 790,350.87 × 207,631.81
  4. Step 4: Simplify right side
    527,255.65x = 164,101,981,673.18
  5. Step 5: Solve for x
    x = 164,101,981,673.18/527,255.65
  6. Step 6: Final answer
    x = 311,237.98

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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.