Home / 1,770,879.38-2,656,767.40-508,707

Finding the Fourth Proportional to 1,770,879.38, 2,656,767.40 and 508,707

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Solution

The fourth proportional to 1,770,879.38, 2,656,767.40 and 508,707 is: 763,189.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,770,879.38 : 2,656,767.40 = 508,707 : x
  2. Step 2: Convert to fraction form
    1,770,879.38/2,656,767.40 = 508,707/x
  3. Step 3: Cross multiply
    1,770,879.38x = 2,656,767.40 × 508,707
  4. Step 4: Simplify right side
    1,770,879.38x = 1,351,516,172,480.03
  5. Step 5: Solve for x
    x = 1,351,516,172,480.03/1,770,879.38
  6. Step 6: Final answer
    x = 763,189.29

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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.