Home / 628,951.46-867,949.32-342,470.84

Finding the Fourth Proportional to 628,951.46, 867,949.32 and 342,470.84

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Solution

The fourth proportional to 628,951.46, 867,949.32 and 342,470.84 is: 472,607.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,951.46 : 867,949.32 = 342,470.84 : x
  2. Step 2: Convert to fraction form
    628,951.46/867,949.32 = 342,470.84/x
  3. Step 3: Cross multiply
    628,951.46x = 867,949.32 × 342,470.84
  4. Step 4: Simplify right side
    628,951.46x = 297,247,332,697.83
  5. Step 5: Solve for x
    x = 297,247,332,697.83/628,951.46
  6. Step 6: Final answer
    x = 472,607.75

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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.