Home / 787,981.24-1,181,995.62-308,190.16

Finding the Fourth Proportional to 787,981.24, 1,181,995.62 and 308,190.16

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Solution

The fourth proportional to 787,981.24, 1,181,995.62 and 308,190.16 is: 462,294.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,981.24 : 1,181,995.62 = 308,190.16 : x
  2. Step 2: Convert to fraction form
    787,981.24/1,181,995.62 = 308,190.16/x
  3. Step 3: Cross multiply
    787,981.24x = 1,181,995.62 × 308,190.16
  4. Step 4: Simplify right side
    787,981.24x = 364,279,419,247.10
  5. Step 5: Solve for x
    x = 364,279,419,247.10/787,981.24
  6. Step 6: Final answer
    x = 462,294.53

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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.