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Finding the Fourth Proportional to 880,589.86, 1,320,870.60 and 348,115.84

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Solution

The fourth proportional to 880,589.86, 1,320,870.60 and 348,115.84 is: 522,168.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,589.86 : 1,320,870.60 = 348,115.84 : x
  2. Step 2: Convert to fraction form
    880,589.86/1,320,870.60 = 348,115.84/x
  3. Step 3: Cross multiply
    880,589.86x = 1,320,870.60 × 348,115.84
  4. Step 4: Simplify right side
    880,589.86x = 459,815,978,450.30
  5. Step 5: Solve for x
    x = 459,815,978,450.30/880,589.86
  6. Step 6: Final answer
    x = 522,168.15

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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.