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Finding the Fourth Proportional to 672,893.08, 928,580.82 and 366,971.92

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Solution

The fourth proportional to 672,893.08, 928,580.82 and 366,971.92 is: 506,414.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,893.08 : 928,580.82 = 366,971.92 : x
  2. Step 2: Convert to fraction form
    672,893.08/928,580.82 = 366,971.92/x
  3. Step 3: Cross multiply
    672,893.08x = 928,580.82 × 366,971.92
  4. Step 4: Simplify right side
    672,893.08x = 340,763,086,390.57
  5. Step 5: Solve for x
    x = 340,763,086,390.57/672,893.08
  6. Step 6: Final answer
    x = 506,414.91

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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.