Home / 419,565.43-578,848.41-274,454.04

Finding the Fourth Proportional to 419,565.43, 578,848.41 and 274,454.04

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Solution

The fourth proportional to 419,565.43, 578,848.41 and 274,454.04 is: 378,647.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,565.43 : 578,848.41 = 274,454.04 : x
  2. Step 2: Convert to fraction form
    419,565.43/578,848.41 = 274,454.04/x
  3. Step 3: Cross multiply
    419,565.43x = 578,848.41 × 274,454.04
  4. Step 4: Simplify right side
    419,565.43x = 158,867,284,672.08
  5. Step 5: Solve for x
    x = 158,867,284,672.08/419,565.43
  6. Step 6: Final answer
    x = 378,647.22

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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.