Home / 823,216.67-1,234,818.07-643,453.29

Finding the Fourth Proportional to 823,216.67, 1,234,818.07 and 643,453.29

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Solution

The fourth proportional to 823,216.67, 1,234,818.07 and 643,453.29 is: 965,174.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,216.67 : 1,234,818.07 = 643,453.29 : x
  2. Step 2: Convert to fraction form
    823,216.67/1,234,818.07 = 643,453.29/x
  3. Step 3: Cross multiply
    823,216.67x = 1,234,818.07 × 643,453.29
  4. Step 4: Simplify right side
    823,216.67x = 794,547,752,714.89
  5. Step 5: Solve for x
    x = 794,547,752,714.89/823,216.67
  6. Step 6: Final answer
    x = 965,174.52

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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.