Home / 492,799.08-680,062.58-277,938.66

Finding the Fourth Proportional to 492,799.08, 680,062.58 and 277,938.66

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Solution

The fourth proportional to 492,799.08, 680,062.58 and 277,938.66 is: 383,555.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,799.08 : 680,062.58 = 277,938.66 : x
  2. Step 2: Convert to fraction form
    492,799.08/680,062.58 = 277,938.66/x
  3. Step 3: Cross multiply
    492,799.08x = 680,062.58 × 277,938.66
  4. Step 4: Simplify right side
    492,799.08x = 189,015,682,201.34
  5. Step 5: Solve for x
    x = 189,015,682,201.34/492,799.08
  6. Step 6: Final answer
    x = 383,555.27

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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.