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Finding the Fourth Proportional to 631,872.44, 943,773.43 and 571,807.80

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Solution

The fourth proportional to 631,872.44, 943,773.43 and 571,807.80 is: 854,060.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,872.44 : 943,773.43 = 571,807.80 : x
  2. Step 2: Convert to fraction form
    631,872.44/943,773.43 = 571,807.80/x
  3. Step 3: Cross multiply
    631,872.44x = 943,773.43 × 571,807.80
  4. Step 4: Simplify right side
    631,872.44x = 539,657,008,706.75
  5. Step 5: Solve for x
    x = 539,657,008,706.75/631,872.44
  6. Step 6: Final answer
    x = 854,060.05

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.