Home / 880,980.28-1,321,357.70-281,891.32

Finding the Fourth Proportional to 880,980.28, 1,321,357.70 and 281,891.32

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Solution

The fourth proportional to 880,980.28, 1,321,357.70 and 281,891.32 is: 422,800.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,980.28 : 1,321,357.70 = 281,891.32 : x
  2. Step 2: Convert to fraction form
    880,980.28/1,321,357.70 = 281,891.32/x
  3. Step 3: Cross multiply
    880,980.28x = 1,321,357.70 × 281,891.32
  4. Step 4: Simplify right side
    880,980.28x = 372,479,264,835.71
  5. Step 5: Solve for x
    x = 372,479,264,835.71/880,980.28
  6. Step 6: Final answer
    x = 422,800.91

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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.