Home / 578,600.46-867,288.33-263,278.80

Finding the Fourth Proportional to 578,600.46, 867,288.33 and 263,278.80

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Solution

The fourth proportional to 578,600.46, 867,288.33 and 263,278.80 is: 394,639.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,600.46 : 867,288.33 = 263,278.80 : x
  2. Step 2: Convert to fraction form
    578,600.46/867,288.33 = 263,278.80/x
  3. Step 3: Cross multiply
    578,600.46x = 867,288.33 × 263,278.80
  4. Step 4: Simplify right side
    578,600.46x = 228,338,630,776.40
  5. Step 5: Solve for x
    x = 228,338,630,776.40/578,600.46
  6. Step 6: Final answer
    x = 394,639.56

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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.