Home / 881,070.22-1,320,958.95-281,686.42

Finding the Fourth Proportional to 881,070.22, 1,320,958.95 and 281,686.42

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Solution

The fourth proportional to 881,070.22, 1,320,958.95 and 281,686.42 is: 422,322.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,070.22 : 1,320,958.95 = 281,686.42 : x
  2. Step 2: Convert to fraction form
    881,070.22/1,320,958.95 = 281,686.42/x
  3. Step 3: Cross multiply
    881,070.22x = 1,320,958.95 × 281,686.42
  4. Step 4: Simplify right side
    881,070.22x = 372,096,197,592.46
  5. Step 5: Solve for x
    x = 372,096,197,592.46/881,070.22
  6. Step 6: Final answer
    x = 422,322.98

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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.