Home / 854,773.81-1,179,617.00-487,305.29

Finding the Fourth Proportional to 854,773.81, 1,179,617.00 and 487,305.29

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Solution

The fourth proportional to 854,773.81, 1,179,617.00 and 487,305.29 is: 672,497.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,773.81 : 1,179,617.00 = 487,305.29 : x
  2. Step 2: Convert to fraction form
    854,773.81/1,179,617.00 = 487,305.29/x
  3. Step 3: Cross multiply
    854,773.81x = 1,179,617.00 × 487,305.29
  4. Step 4: Simplify right side
    854,773.81x = 574,833,604,786.45
  5. Step 5: Solve for x
    x = 574,833,604,786.45/854,773.81
  6. Step 6: Final answer
    x = 672,497.92

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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.