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Finding the Fourth Proportional to 458,767.02, 632,878.76 and 322,876.38

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Solution

The fourth proportional to 458,767.02, 632,878.76 and 322,876.38 is: 445,414.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,767.02 : 632,878.76 = 322,876.38 : x
  2. Step 2: Convert to fraction form
    458,767.02/632,878.76 = 322,876.38/x
  3. Step 3: Cross multiply
    458,767.02x = 632,878.76 × 322,876.38
  4. Step 4: Simplify right side
    458,767.02x = 204,341,603,007.69
  5. Step 5: Solve for x
    x = 204,341,603,007.69/458,767.02
  6. Step 6: Final answer
    x = 445,414.76

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1.5x scale

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.