Home / 789,990.34-1,185,163.36-250,279.16

Finding the Fourth Proportional to 789,990.34, 1,185,163.36 and 250,279.16

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Solution

The fourth proportional to 789,990.34, 1,185,163.36 and 250,279.16 is: 375,475.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,990.34 : 1,185,163.36 = 250,279.16 : x
  2. Step 2: Convert to fraction form
    789,990.34/1,185,163.36 = 250,279.16/x
  3. Step 3: Cross multiply
    789,990.34x = 1,185,163.36 × 250,279.16
  4. Step 4: Simplify right side
    789,990.34x = 296,621,690,203.58
  5. Step 5: Solve for x
    x = 296,621,690,203.58/789,990.34
  6. Step 6: Final answer
    x = 375,475.09

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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.