Home / 880,887.81-1,321,528.61-281,884.93

Finding the Fourth Proportional to 880,887.81, 1,321,528.61 and 281,884.93

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Solution

The fourth proportional to 880,887.81, 1,321,528.61 and 281,884.93 is: 422,890.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,887.81 : 1,321,528.61 = 281,884.93 : x
  2. Step 2: Convert to fraction form
    880,887.81/1,321,528.61 = 281,884.93/x
  3. Step 3: Cross multiply
    880,887.81x = 1,321,528.61 × 281,884.93
  4. Step 4: Simplify right side
    880,887.81x = 372,518,999,722.85
  5. Step 5: Solve for x
    x = 372,518,999,722.85/880,887.81
  6. Step 6: Final answer
    x = 422,890.40

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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.