Home / 479,889.72-718,799.40-226,788.21

Finding the Fourth Proportional to 479,889.72, 718,799.40 and 226,788.21

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Solution

The fourth proportional to 479,889.72, 718,799.40 and 226,788.21 is: 339,693.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,889.72 : 718,799.40 = 226,788.21 : x
  2. Step 2: Convert to fraction form
    479,889.72/718,799.40 = 226,788.21/x
  3. Step 3: Cross multiply
    479,889.72x = 718,799.40 × 226,788.21
  4. Step 4: Simplify right side
    479,889.72x = 163,015,229,275.07
  5. Step 5: Solve for x
    x = 163,015,229,275.07/479,889.72
  6. Step 6: Final answer
    x = 339,693.11

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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.