Home / 496,045.05-684,538.77-269,690.55

Finding the Fourth Proportional to 496,045.05, 684,538.77 and 269,690.55

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Solution

The fourth proportional to 496,045.05, 684,538.77 and 269,690.55 is: 372,171.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,045.05 : 684,538.77 = 269,690.55 : x
  2. Step 2: Convert to fraction form
    496,045.05/684,538.77 = 269,690.55/x
  3. Step 3: Cross multiply
    496,045.05x = 684,538.77 × 269,690.55
  4. Step 4: Simplify right side
    496,045.05x = 184,613,637,377.62
  5. Step 5: Solve for x
    x = 184,613,637,377.62/496,045.05
  6. Step 6: Final answer
    x = 372,171.11

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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.