Home / 637,565.32-879,845.94-351,086.56

Finding the Fourth Proportional to 637,565.32, 879,845.94 and 351,086.56

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Solution

The fourth proportional to 637,565.32, 879,845.94 and 351,086.56 is: 484,502.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,565.32 : 879,845.94 = 351,086.56 : x
  2. Step 2: Convert to fraction form
    637,565.32/879,845.94 = 351,086.56/x
  3. Step 3: Cross multiply
    637,565.32x = 879,845.94 × 351,086.56
  4. Step 4: Simplify right side
    637,565.32x = 308,902,084,404.57
  5. Step 5: Solve for x
    x = 308,902,084,404.57/637,565.32
  6. Step 6: Final answer
    x = 484,502.65

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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.