Home / 771,989.16-1,157,939.82-232,233.96

Finding the Fourth Proportional to 771,989.16, 1,157,939.82 and 232,233.96

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Solution

The fourth proportional to 771,989.16, 1,157,939.82 and 232,233.96 is: 348,337.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,989.16 : 1,157,939.82 = 232,233.96 : x
  2. Step 2: Convert to fraction form
    771,989.16/1,157,939.82 = 232,233.96/x
  3. Step 3: Cross multiply
    771,989.16x = 1,157,939.82 × 232,233.96
  4. Step 4: Simplify right side
    771,989.16x = 268,912,949,840.29
  5. Step 5: Solve for x
    x = 268,912,949,840.29/771,989.16
  6. Step 6: Final answer
    x = 348,337.73

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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.