Home / 854,602.64-1,179,220.61-491,956.43

Finding the Fourth Proportional to 854,602.64, 1,179,220.61 and 491,956.43

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Solution

The fourth proportional to 854,602.64, 1,179,220.61 and 491,956.43 is: 678,824.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,602.64 : 1,179,220.61 = 491,956.43 : x
  2. Step 2: Convert to fraction form
    854,602.64/1,179,220.61 = 491,956.43/x
  3. Step 3: Cross multiply
    854,602.64x = 1,179,220.61 × 491,956.43
  4. Step 4: Simplify right side
    854,602.64x = 580,125,156,811.81
  5. Step 5: Solve for x
    x = 580,125,156,811.81/854,602.64
  6. Step 6: Final answer
    x = 678,824.44

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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.