Home / 479,285.45-718,189.13-235,847.06

Finding the Fourth Proportional to 479,285.45, 718,189.13 and 235,847.06

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Solution

The fourth proportional to 479,285.45, 718,189.13 and 235,847.06 is: 353,406.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,285.45 : 718,189.13 = 235,847.06 : x
  2. Step 2: Convert to fraction form
    479,285.45/718,189.13 = 235,847.06/x
  3. Step 3: Cross multiply
    479,285.45x = 718,189.13 × 235,847.06
  4. Step 4: Simplify right side
    479,285.45x = 169,382,791,833.13
  5. Step 5: Solve for x
    x = 169,382,791,833.13/479,285.45
  6. Step 6: Final answer
    x = 353,406.92

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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.