Home / 881,088.40-1,320,986.08-281,704.60

Finding the Fourth Proportional to 881,088.40, 1,320,986.08 and 281,704.60

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Solution

The fourth proportional to 881,088.40, 1,320,986.08 and 281,704.60 is: 422,350.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,088.40 : 1,320,986.08 = 281,704.60 : x
  2. Step 2: Convert to fraction form
    881,088.40/1,320,986.08 = 281,704.60/x
  3. Step 3: Cross multiply
    881,088.40x = 1,320,986.08 × 281,704.60
  4. Step 4: Simplify right side
    881,088.40x = 372,127,855,271.97
  5. Step 5: Solve for x
    x = 372,127,855,271.97/881,088.40
  6. Step 6: Final answer
    x = 422,350.19

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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.