Home / 813,819.24-1,220,479.44-562,713.36

Finding the Fourth Proportional to 813,819.24, 1,220,479.44 and 562,713.36

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Solution

The fourth proportional to 813,819.24, 1,220,479.44 and 562,713.36 is: 843,897.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,819.24 : 1,220,479.44 = 562,713.36 : x
  2. Step 2: Convert to fraction form
    813,819.24/1,220,479.44 = 562,713.36/x
  3. Step 3: Cross multiply
    813,819.24x = 1,220,479.44 × 562,713.36
  4. Step 4: Simplify right side
    813,819.24x = 686,780,086,493.32
  5. Step 5: Solve for x
    x = 686,780,086,493.32/813,819.24
  6. Step 6: Final answer
    x = 843,897.58

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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.