Home / 824,800.65-1,235,590.24-391,902.03

Finding the Fourth Proportional to 824,800.65, 1,235,590.24 and 391,902.03

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Solution

The fourth proportional to 824,800.65, 1,235,590.24 and 391,902.03 is: 587,087.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,800.65 : 1,235,590.24 = 391,902.03 : x
  2. Step 2: Convert to fraction form
    824,800.65/1,235,590.24 = 391,902.03/x
  3. Step 3: Cross multiply
    824,800.65x = 1,235,590.24 × 391,902.03
  4. Step 4: Simplify right side
    824,800.65x = 484,230,322,381.82
  5. Step 5: Solve for x
    x = 484,230,322,381.82/824,800.65
  6. Step 6: Final answer
    x = 587,087.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.