Home / 722,006.40-1,083,398.40-301,324.80

Finding the Fourth Proportional to 722,006.40, 1,083,398.40 and 301,324.80

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Solution

The fourth proportional to 722,006.40, 1,083,398.40 and 301,324.80 is: 452,149.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,006.40 : 1,083,398.40 = 301,324.80 : x
  2. Step 2: Convert to fraction form
    722,006.40/1,083,398.40 = 301,324.80/x
  3. Step 3: Cross multiply
    722,006.40x = 1,083,398.40 × 301,324.80
  4. Step 4: Simplify right side
    722,006.40x = 326,454,806,200.32
  5. Step 5: Solve for x
    x = 326,454,806,200.32/722,006.40
  6. Step 6: Final answer
    x = 452,149.46

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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.