Home / 771,745.17-1,157,747.96-266,170.92

Finding the Fourth Proportional to 771,745.17, 1,157,747.96 and 266,170.92

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Solution

The fourth proportional to 771,745.17, 1,157,747.96 and 266,170.92 is: 399,301.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,745.17 : 1,157,747.96 = 266,170.92 : x
  2. Step 2: Convert to fraction form
    771,745.17/1,157,747.96 = 266,170.92/x
  3. Step 3: Cross multiply
    771,745.17x = 1,157,747.96 × 266,170.92
  4. Step 4: Simplify right side
    771,745.17x = 308,158,839,641.32
  5. Step 5: Solve for x
    x = 308,158,839,641.32/771,745.17
  6. Step 6: Final answer
    x = 399,301.29

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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.