Home / 722,476.78-1,083,717.72-242,690.90

Finding the Fourth Proportional to 722,476.78, 1,083,717.72 and 242,690.90

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Solution

The fourth proportional to 722,476.78, 1,083,717.72 and 242,690.90 is: 364,037.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,476.78 : 1,083,717.72 = 242,690.90 : x
  2. Step 2: Convert to fraction form
    722,476.78/1,083,717.72 = 242,690.90/x
  3. Step 3: Cross multiply
    722,476.78x = 1,083,717.72 × 242,690.90
  4. Step 4: Simplify right side
    722,476.78x = 263,008,428,812.75
  5. Step 5: Solve for x
    x = 263,008,428,812.75/722,476.78
  6. Step 6: Final answer
    x = 364,037.21

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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.