Home / 801,298.54-1,105,879.89-510,920.41

Finding the Fourth Proportional to 801,298.54, 1,105,879.89 and 510,920.41

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Solution

The fourth proportional to 801,298.54, 1,105,879.89 and 510,920.41 is: 705,126.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,298.54 : 1,105,879.89 = 510,920.41 : x
  2. Step 2: Convert to fraction form
    801,298.54/1,105,879.89 = 510,920.41/x
  3. Step 3: Cross multiply
    801,298.54x = 1,105,879.89 × 510,920.41
  4. Step 4: Simplify right side
    801,298.54x = 565,016,606,809.56
  5. Step 5: Solve for x
    x = 565,016,606,809.56/801,298.54
  6. Step 6: Final answer
    x = 705,126.22

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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.