Home / 771,216.96-1,156,396.32-238,586.88

Finding the Fourth Proportional to 771,216.96, 1,156,396.32 and 238,586.88

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Solution

The fourth proportional to 771,216.96, 1,156,396.32 and 238,586.88 is: 357,747.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,216.96 : 1,156,396.32 = 238,586.88 : x
  2. Step 2: Convert to fraction form
    771,216.96/1,156,396.32 = 238,586.88/x
  3. Step 3: Cross multiply
    771,216.96x = 1,156,396.32 × 238,586.88
  4. Step 4: Simplify right side
    771,216.96x = 275,900,990,032.28
  5. Step 5: Solve for x
    x = 275,900,990,032.28/771,216.96
  6. Step 6: Final answer
    x = 357,747.57

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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.