Home / 854,598.13-1,179,214.41-491,951.92

Finding the Fourth Proportional to 854,598.13, 1,179,214.41 and 491,951.92

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Solution

The fourth proportional to 854,598.13, 1,179,214.41 and 491,951.92 is: 678,818.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,598.13 : 1,179,214.41 = 491,951.92 : x
  2. Step 2: Convert to fraction form
    854,598.13/1,179,214.41 = 491,951.92/x
  3. Step 3: Cross multiply
    854,598.13x = 1,179,214.41 × 491,951.92
  4. Step 4: Simplify right side
    854,598.13x = 580,116,791,431.75
  5. Step 5: Solve for x
    x = 580,116,791,431.75/854,598.13
  6. Step 6: Final answer
    x = 678,818.23

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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.