Home / 771,058.32-1,156,645.80-238,633.20

Finding the Fourth Proportional to 771,058.32, 1,156,645.80 and 238,633.20

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Solution

The fourth proportional to 771,058.32, 1,156,645.80 and 238,633.20 is: 357,967.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,058.32 : 1,156,645.80 = 238,633.20 : x
  2. Step 2: Convert to fraction form
    771,058.32/1,156,645.80 = 238,633.20/x
  3. Step 3: Cross multiply
    771,058.32x = 1,156,645.80 × 238,633.20
  4. Step 4: Simplify right side
    771,058.32x = 276,014,088,520.56
  5. Step 5: Solve for x
    x = 276,014,088,520.56/771,058.32
  6. Step 6: Final answer
    x = 357,967.85

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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.