Home / 880,907.20-1,321,557.73-281,904.30

Finding the Fourth Proportional to 880,907.20, 1,321,557.73 and 281,904.30

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Solution

The fourth proportional to 880,907.20, 1,321,557.73 and 281,904.30 is: 422,919.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,907.20 : 1,321,557.73 = 281,904.30 : x
  2. Step 2: Convert to fraction form
    880,907.20/1,321,557.73 = 281,904.30/x
  3. Step 3: Cross multiply
    880,907.20x = 1,321,557.73 × 281,904.30
  4. Step 4: Simplify right side
    880,907.20x = 372,552,806,080.48
  5. Step 5: Solve for x
    x = 372,552,806,080.48/880,907.20
  6. Step 6: Final answer
    x = 422,919.47

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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.