Home / 627,324.86-865,716.18-340,849.74

Finding the Fourth Proportional to 627,324.86, 865,716.18 and 340,849.74

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Solution

The fourth proportional to 627,324.86, 865,716.18 and 340,849.74 is: 470,376.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,324.86 : 865,716.18 = 340,849.74 : x
  2. Step 2: Convert to fraction form
    627,324.86/865,716.18 = 340,849.74/x
  3. Step 3: Cross multiply
    627,324.86x = 865,716.18 × 340,849.74
  4. Step 4: Simplify right side
    627,324.86x = 295,079,134,866.79
  5. Step 5: Solve for x
    x = 295,079,134,866.79/627,324.86
  6. Step 6: Final answer
    x = 470,376.92

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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.