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Finding the Fourth Proportional to 681,524.68, 940,510.41 and 375,611.98

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Solution

The fourth proportional to 681,524.68, 940,510.41 and 375,611.98 is: 518,348.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,524.68 : 940,510.41 = 375,611.98 : x
  2. Step 2: Convert to fraction form
    681,524.68/940,510.41 = 375,611.98/x
  3. Step 3: Cross multiply
    681,524.68x = 940,510.41 × 375,611.98
  4. Step 4: Simplify right side
    681,524.68x = 353,266,977,310.71
  5. Step 5: Solve for x
    x = 353,266,977,310.71/681,524.68
  6. Step 6: Final answer
    x = 518,348.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.