Home / 492,799.07-680,062.59-277,938.65

Finding the Fourth Proportional to 492,799.07, 680,062.59 and 277,938.65

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Solution

The fourth proportional to 492,799.07, 680,062.59 and 277,938.65 is: 383,555.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,799.07 : 680,062.59 = 277,938.65 : x
  2. Step 2: Convert to fraction form
    492,799.07/680,062.59 = 277,938.65/x
  3. Step 3: Cross multiply
    492,799.07x = 680,062.59 × 277,938.65
  4. Step 4: Simplify right side
    492,799.07x = 189,015,678,180.10
  5. Step 5: Solve for x
    x = 189,015,678,180.10/492,799.07
  6. Step 6: Final answer
    x = 383,555.27

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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.