Home / 771,261.30-1,156,620.96-231,356.58

Finding the Fourth Proportional to 771,261.30, 1,156,620.96 and 231,356.58

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Solution

The fourth proportional to 771,261.30, 1,156,620.96 and 231,356.58 is: 346,953.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,261.30 : 1,156,620.96 = 231,356.58 : x
  2. Step 2: Convert to fraction form
    771,261.30/1,156,620.96 = 231,356.58/x
  3. Step 3: Cross multiply
    771,261.30x = 1,156,620.96 × 231,356.58
  4. Step 4: Simplify right side
    771,261.30x = 267,591,869,661.92
  5. Step 5: Solve for x
    x = 267,591,869,661.92/771,261.30
  6. Step 6: Final answer
    x = 346,953.58

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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.