Home / 578,336.76-867,365.42-223,124.22

Finding the Fourth Proportional to 578,336.76, 867,365.42 and 223,124.22

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Solution

The fourth proportional to 578,336.76, 867,365.42 and 223,124.22 is: 334,632.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,336.76 : 867,365.42 = 223,124.22 : x
  2. Step 2: Convert to fraction form
    578,336.76/867,365.42 = 223,124.22/x
  3. Step 3: Cross multiply
    578,336.76x = 867,365.42 × 223,124.22
  4. Step 4: Simplify right side
    578,336.76x = 193,530,231,676.85
  5. Step 5: Solve for x
    x = 193,530,231,676.85/578,336.76
  6. Step 6: Final answer
    x = 334,632.42

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Double scale
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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.