Home / 880,325.28-1,319,992.17-281,145.60

Finding the Fourth Proportional to 880,325.28, 1,319,992.17 and 281,145.60

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Solution

The fourth proportional to 880,325.28, 1,319,992.17 and 281,145.60 is: 421,560.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,325.28 : 1,319,992.17 = 281,145.60 : x
  2. Step 2: Convert to fraction form
    880,325.28/1,319,992.17 = 281,145.60/x
  3. Step 3: Cross multiply
    880,325.28x = 1,319,992.17 × 281,145.60
  4. Step 4: Simplify right side
    880,325.28x = 371,109,990,629.95
  5. Step 5: Solve for x
    x = 371,109,990,629.95/880,325.28
  6. Step 6: Final answer
    x = 421,560.07

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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.