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Finding the Fourth Proportional to 672,865.88, 928,552.11 and 366,941.43

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Solution

The fourth proportional to 672,865.88, 928,552.11 and 366,941.43 is: 506,377.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,865.88 : 928,552.11 = 366,941.43 : x
  2. Step 2: Convert to fraction form
    672,865.88/928,552.11 = 366,941.43/x
  3. Step 3: Cross multiply
    672,865.88x = 928,552.11 × 366,941.43
  4. Step 4: Simplify right side
    672,865.88x = 340,724,239,072.92
  5. Step 5: Solve for x
    x = 340,724,239,072.92/672,865.88
  6. Step 6: Final answer
    x = 506,377.65

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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.