Home / 820,369.08-1,230,590.07-251,708.58

Finding the Fourth Proportional to 820,369.08, 1,230,590.07 and 251,708.58

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Solution

The fourth proportional to 820,369.08, 1,230,590.07 and 251,708.58 is: 377,574.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,369.08 : 1,230,590.07 = 251,708.58 : x
  2. Step 2: Convert to fraction form
    820,369.08/1,230,590.07 = 251,708.58/x
  3. Step 3: Cross multiply
    820,369.08x = 1,230,590.07 × 251,708.58
  4. Step 4: Simplify right side
    820,369.08x = 309,750,079,081.80
  5. Step 5: Solve for x
    x = 309,750,079,081.80/820,369.08
  6. Step 6: Final answer
    x = 377,574.05

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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.