Home / 511,097.04-705,288.67-296,306.91

Finding the Fourth Proportional to 511,097.04, 705,288.67 and 296,306.91

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Solution

The fourth proportional to 511,097.04, 705,288.67 and 296,306.91 is: 408,888.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,097.04 : 705,288.67 = 296,306.91 : x
  2. Step 2: Convert to fraction form
    511,097.04/705,288.67 = 296,306.91/x
  3. Step 3: Cross multiply
    511,097.04x = 705,288.67 × 296,306.91
  4. Step 4: Simplify right side
    511,097.04x = 208,981,905,724.94
  5. Step 5: Solve for x
    x = 208,981,905,724.94/511,097.04
  6. Step 6: Final answer
    x = 408,888.90

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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.