Home / 615,183.20-922,774.80-335,247.20

Finding the Fourth Proportional to 615,183.20, 922,774.80 and 335,247.20

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Solution

The fourth proportional to 615,183.20, 922,774.80 and 335,247.20 is: 502,870.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,183.20 : 922,774.80 = 335,247.20 : x
  2. Step 2: Convert to fraction form
    615,183.20/922,774.80 = 335,247.20/x
  3. Step 3: Cross multiply
    615,183.20x = 922,774.80 × 335,247.20
  4. Step 4: Simplify right side
    615,183.20x = 309,357,667,930.56
  5. Step 5: Solve for x
    x = 309,357,667,930.56/615,183.20
  6. Step 6: Final answer
    x = 502,870.80

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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.