Home / 571,956.96-789,338.01-330,249.72

Finding the Fourth Proportional to 571,956.96, 789,338.01 and 330,249.72

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Solution

The fourth proportional to 571,956.96, 789,338.01 and 330,249.72 is: 455,766.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,956.96 : 789,338.01 = 330,249.72 : x
  2. Step 2: Convert to fraction form
    571,956.96/789,338.01 = 330,249.72/x
  3. Step 3: Cross multiply
    571,956.96x = 789,338.01 × 330,249.72
  4. Step 4: Simplify right side
    571,956.96x = 260,678,656,787.86
  5. Step 5: Solve for x
    x = 260,678,656,787.86/571,956.96
  6. Step 6: Final answer
    x = 455,766.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.