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Finding the Fourth Proportional to 881,809.63, 1,322,782.82 and 274,521.67

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Solution

The fourth proportional to 881,809.63, 1,322,782.82 and 274,521.67 is: 411,803.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,809.63 : 1,322,782.82 = 274,521.67 : x
  2. Step 2: Convert to fraction form
    881,809.63/1,322,782.82 = 274,521.67/x
  3. Step 3: Cross multiply
    881,809.63x = 1,322,782.82 × 274,521.67
  4. Step 4: Simplify right side
    881,809.63x = 363,132,548,793.71
  5. Step 5: Solve for x
    x = 363,132,548,793.71/881,809.63
  6. Step 6: Final answer
    x = 411,803.79

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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.