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Finding the Fourth Proportional to 655,877.88, 983,816.82 and 375,198.30

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Solution

The fourth proportional to 655,877.88, 983,816.82 and 375,198.30 is: 562,797.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,877.88 : 983,816.82 = 375,198.30 : x
  2. Step 2: Convert to fraction form
    655,877.88/983,816.82 = 375,198.30/x
  3. Step 3: Cross multiply
    655,877.88x = 983,816.82 × 375,198.30
  4. Step 4: Simplify right side
    655,877.88x = 369,126,398,375.41
  5. Step 5: Solve for x
    x = 369,126,398,375.41/655,877.88
  6. Step 6: Final answer
    x = 562,797.45

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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.