Home / 874,689.06-1,311,944.91-234,909.66

Finding the Fourth Proportional to 874,689.06, 1,311,944.91 and 234,909.66

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Solution

The fourth proportional to 874,689.06, 1,311,944.91 and 234,909.66 is: 352,340.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,689.06 : 1,311,944.91 = 234,909.66 : x
  2. Step 2: Convert to fraction form
    874,689.06/1,311,944.91 = 234,909.66/x
  3. Step 3: Cross multiply
    874,689.06x = 1,311,944.91 × 234,909.66
  4. Step 4: Simplify right side
    874,689.06x = 308,188,527,726.27
  5. Step 5: Solve for x
    x = 308,188,527,726.27/874,689.06
  6. Step 6: Final answer
    x = 352,340.67

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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.