Home / 479,514.72-719,155.44-226,785

Finding the Fourth Proportional to 479,514.72, 719,155.44 and 226,785

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Solution

The fourth proportional to 479,514.72, 719,155.44 and 226,785 is: 340,122.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,514.72 : 719,155.44 = 226,785 : x
  2. Step 2: Convert to fraction form
    479,514.72/719,155.44 = 226,785/x
  3. Step 3: Cross multiply
    479,514.72x = 719,155.44 × 226,785
  4. Step 4: Simplify right side
    479,514.72x = 163,093,666,460.40
  5. Step 5: Solve for x
    x = 163,093,666,460.40/479,514.72
  6. Step 6: Final answer
    x = 340,122.34

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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.