Home / 711,803.84-1,067,799.72-262,840.28

Finding the Fourth Proportional to 711,803.84, 1,067,799.72 and 262,840.28

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Solution

The fourth proportional to 711,803.84, 1,067,799.72 and 262,840.28 is: 394,295.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,803.84 : 1,067,799.72 = 262,840.28 : x
  2. Step 2: Convert to fraction form
    711,803.84/1,067,799.72 = 262,840.28/x
  3. Step 3: Cross multiply
    711,803.84x = 1,067,799.72 × 262,840.28
  4. Step 4: Simplify right side
    711,803.84x = 280,660,777,388.72
  5. Step 5: Solve for x
    x = 280,660,777,388.72/711,803.84
  6. Step 6: Final answer
    x = 394,295.12

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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.