Home / 854,830.53-1,179,379.64-492,246.59

Finding the Fourth Proportional to 854,830.53, 1,179,379.64 and 492,246.59

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Solution

The fourth proportional to 854,830.53, 1,179,379.64 and 492,246.59 is: 679,135.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,830.53 : 1,179,379.64 = 492,246.59 : x
  2. Step 2: Convert to fraction form
    854,830.53/1,179,379.64 = 492,246.59/x
  3. Step 3: Cross multiply
    854,830.53x = 1,179,379.64 × 492,246.59
  4. Step 4: Simplify right side
    854,830.53x = 580,545,597,747.30
  5. Step 5: Solve for x
    x = 580,545,597,747.30/854,830.53
  6. Step 6: Final answer
    x = 679,135.31

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1.5x scale

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.