Home / 813,005.19-1,219,508.75-244,386.33

Finding the Fourth Proportional to 813,005.19, 1,219,508.75 and 244,386.33

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Solution

The fourth proportional to 813,005.19, 1,219,508.75 and 244,386.33 is: 366,579.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,005.19 : 1,219,508.75 = 244,386.33 : x
  2. Step 2: Convert to fraction form
    813,005.19/1,219,508.75 = 244,386.33/x
  3. Step 3: Cross multiply
    813,005.19x = 1,219,508.75 × 244,386.33
  4. Step 4: Simplify right side
    813,005.19x = 298,031,265,224.47
  5. Step 5: Solve for x
    x = 298,031,265,224.47/813,005.19
  6. Step 6: Final answer
    x = 366,579.78

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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.