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Finding the Fourth Proportional to 521,525.34, 782,288.04 and 335,717.82

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Solution

The fourth proportional to 521,525.34, 782,288.04 and 335,717.82 is: 503,576.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,525.34 : 782,288.04 = 335,717.82 : x
  2. Step 2: Convert to fraction form
    521,525.34/782,288.04 = 335,717.82/x
  3. Step 3: Cross multiply
    521,525.34x = 782,288.04 × 335,717.82
  4. Step 4: Simplify right side
    521,525.34x = 262,628,035,400.87
  5. Step 5: Solve for x
    x = 262,628,035,400.87/521,525.34
  6. Step 6: Final answer
    x = 503,576.75

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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.