Home / 877,227.76-1,315,888.62-278,234.38

Finding the Fourth Proportional to 877,227.76, 1,315,888.62 and 278,234.38

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Solution

The fourth proportional to 877,227.76, 1,315,888.62 and 278,234.38 is: 417,366.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,227.76 : 1,315,888.62 = 278,234.38 : x
  2. Step 2: Convert to fraction form
    877,227.76/1,315,888.62 = 278,234.38/x
  3. Step 3: Cross multiply
    877,227.76x = 1,315,888.62 × 278,234.38
  4. Step 4: Simplify right side
    877,227.76x = 366,125,454,334.76
  5. Step 5: Solve for x
    x = 366,125,454,334.76/877,227.76
  6. Step 6: Final answer
    x = 417,366.47

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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.