Home / 684,226.60-1,025,648.70-310,517.80

Finding the Fourth Proportional to 684,226.60, 1,025,648.70 and 310,517.80

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Solution

The fourth proportional to 684,226.60, 1,025,648.70 and 310,517.80 is: 465,463.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,226.60 : 1,025,648.70 = 310,517.80 : x
  2. Step 2: Convert to fraction form
    684,226.60/1,025,648.70 = 310,517.80/x
  3. Step 3: Cross multiply
    684,226.60x = 1,025,648.70 × 310,517.80
  4. Step 4: Simplify right side
    684,226.60x = 318,482,177,896.86
  5. Step 5: Solve for x
    x = 318,482,177,896.86/684,226.60
  6. Step 6: Final answer
    x = 465,463.02

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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.