Home / 771,120.92-1,156,735.44-238,571.84

Finding the Fourth Proportional to 771,120.92, 1,156,735.44 and 238,571.84

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Solution

The fourth proportional to 771,120.92, 1,156,735.44 and 238,571.84 is: 357,874.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,120.92 : 1,156,735.44 = 238,571.84 : x
  2. Step 2: Convert to fraction form
    771,120.92/1,156,735.44 = 238,571.84/x
  3. Step 3: Cross multiply
    771,120.92x = 1,156,735.44 × 238,571.84
  4. Step 4: Simplify right side
    771,120.92x = 275,964,502,314.01
  5. Step 5: Solve for x
    x = 275,964,502,314.01/771,120.92
  6. Step 6: Final answer
    x = 357,874.49

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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.