Home / 877,226.76-1,315,887.12-278,233.38

Finding the Fourth Proportional to 877,226.76, 1,315,887.12 and 278,233.38

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Solution

The fourth proportional to 877,226.76, 1,315,887.12 and 278,233.38 is: 417,364.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,226.76 : 1,315,887.12 = 278,233.38 : x
  2. Step 2: Convert to fraction form
    877,226.76/1,315,887.12 = 278,233.38/x
  3. Step 3: Cross multiply
    877,226.76x = 1,315,887.12 × 278,233.38
  4. Step 4: Simplify right side
    877,226.76x = 366,123,721,096.07
  5. Step 5: Solve for x
    x = 366,123,721,096.07/877,226.76
  6. Step 6: Final answer
    x = 417,364.97

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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.