Home / 767,261.13-1,151,130.57-227,520.28

Finding the Fourth Proportional to 767,261.13, 1,151,130.57 and 227,520.28

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Solution

The fourth proportional to 767,261.13, 1,151,130.57 and 227,520.28 is: 341,351.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,261.13 : 1,151,130.57 = 227,520.28 : x
  2. Step 2: Convert to fraction form
    767,261.13/1,151,130.57 = 227,520.28/x
  3. Step 3: Cross multiply
    767,261.13x = 1,151,130.57 × 227,520.28
  4. Step 4: Simplify right side
    767,261.13x = 261,905,544,993.36
  5. Step 5: Solve for x
    x = 261,905,544,993.36/767,261.13
  6. Step 6: Final answer
    x = 341,351.25

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Half scale
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Double scale
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Similar ratio
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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.