Home / 854,667.18-1,179,737.46-492,235.65

Finding the Fourth Proportional to 854,667.18, 1,179,737.46 and 492,235.65

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Solution

The fourth proportional to 854,667.18, 1,179,737.46 and 492,235.65 is: 679,456.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,667.18 : 1,179,737.46 = 492,235.65 : x
  2. Step 2: Convert to fraction form
    854,667.18/1,179,737.46 = 492,235.65/x
  3. Step 3: Cross multiply
    854,667.18x = 1,179,737.46 × 492,235.65
  4. Step 4: Simplify right side
    854,667.18x = 580,708,835,452.45
  5. Step 5: Solve for x
    x = 580,708,835,452.45/854,667.18
  6. Step 6: Final answer
    x = 679,456.11

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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.