Home / 718,845.08-1,078,267.62-220,144.28

Finding the Fourth Proportional to 718,845.08, 1,078,267.62 and 220,144.28

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Solution

The fourth proportional to 718,845.08, 1,078,267.62 and 220,144.28 is: 330,216.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,845.08 : 1,078,267.62 = 220,144.28 : x
  2. Step 2: Convert to fraction form
    718,845.08/1,078,267.62 = 220,144.28/x
  3. Step 3: Cross multiply
    718,845.08x = 1,078,267.62 × 220,144.28
  4. Step 4: Simplify right side
    718,845.08x = 237,374,448,852.21
  5. Step 5: Solve for x
    x = 237,374,448,852.21/718,845.08
  6. Step 6: Final answer
    x = 330,216.42

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Similar ratio
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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.