Home / 722,443.68-1,083,140.64-301,839.84

Finding the Fourth Proportional to 722,443.68, 1,083,140.64 and 301,839.84

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Solution

The fourth proportional to 722,443.68, 1,083,140.64 and 301,839.84 is: 452,540.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,443.68 : 1,083,140.64 = 301,839.84 : x
  2. Step 2: Convert to fraction form
    722,443.68/1,083,140.64 = 301,839.84/x
  3. Step 3: Cross multiply
    722,443.68x = 1,083,140.64 × 301,839.84
  4. Step 4: Simplify right side
    722,443.68x = 326,934,997,475.10
  5. Step 5: Solve for x
    x = 326,934,997,475.10/722,443.68
  6. Step 6: Final answer
    x = 452,540.46

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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.