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Finding the Fourth Proportional to 492,650.82, 679,800.38 and 277,778.08

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Solution

The fourth proportional to 492,650.82, 679,800.38 and 277,778.08 is: 383,301.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,650.82 : 679,800.38 = 277,778.08 : x
  2. Step 2: Convert to fraction form
    492,650.82/679,800.38 = 277,778.08/x
  3. Step 3: Cross multiply
    492,650.82x = 679,800.38 × 277,778.08
  4. Step 4: Simplify right side
    492,650.82x = 188,833,644,339.67
  5. Step 5: Solve for x
    x = 188,833,644,339.67/492,650.82
  6. Step 6: Final answer
    x = 383,301.19

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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.