Home / 415,919.24-623,878.97-116,443.94

Finding the Fourth Proportional to 415,919.24, 623,878.97 and 116,443.94

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Solution

The fourth proportional to 415,919.24, 623,878.97 and 116,443.94 is: 174,665.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,919.24 : 623,878.97 = 116,443.94 : x
  2. Step 2: Convert to fraction form
    415,919.24/623,878.97 = 116,443.94/x
  3. Step 3: Cross multiply
    415,919.24x = 623,878.97 × 116,443.94
  4. Step 4: Simplify right side
    415,919.24x = 72,646,921,648.33
  5. Step 5: Solve for x
    x = 72,646,921,648.33/415,919.24
  6. Step 6: Final answer
    x = 174,665.93

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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.