Home / 789,906.18-1,185,340.42-284,424.88

Finding the Fourth Proportional to 789,906.18, 1,185,340.42 and 284,424.88

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Solution

The fourth proportional to 789,906.18, 1,185,340.42 and 284,424.88 is: 426,810.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,906.18 : 1,185,340.42 = 284,424.88 : x
  2. Step 2: Convert to fraction form
    789,906.18/1,185,340.42 = 284,424.88/x
  3. Step 3: Cross multiply
    789,906.18x = 1,185,340.42 × 284,424.88
  4. Step 4: Simplify right side
    789,906.18x = 337,140,306,717.65
  5. Step 5: Solve for x
    x = 337,140,306,717.65/789,906.18
  6. Step 6: Final answer
    x = 426,810.57

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Double scale
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1.5x scale

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.