Home / 854,671.23-1,179,315.18-492,024.96

Finding the Fourth Proportional to 854,671.23, 1,179,315.18 and 492,024.96

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Solution

The fourth proportional to 854,671.23, 1,179,315.18 and 492,024.96 is: 678,918.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,671.23 : 1,179,315.18 = 492,024.96 : x
  2. Step 2: Convert to fraction form
    854,671.23/1,179,315.18 = 492,024.96/x
  3. Step 3: Cross multiply
    854,671.23x = 1,179,315.18 × 492,024.96
  4. Step 4: Simplify right side
    854,671.23x = 580,252,504,266.89
  5. Step 5: Solve for x
    x = 580,252,504,266.89/854,671.23
  6. Step 6: Final answer
    x = 678,918.96

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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.