Home / 751,866.96-1,037,291.72-479,945.04

Finding the Fourth Proportional to 751,866.96, 1,037,291.72 and 479,945.04

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Solution

The fourth proportional to 751,866.96, 1,037,291.72 and 479,945.04 is: 662,142.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,866.96 : 1,037,291.72 = 479,945.04 : x
  2. Step 2: Convert to fraction form
    751,866.96/1,037,291.72 = 479,945.04/x
  3. Step 3: Cross multiply
    751,866.96x = 1,037,291.72 × 479,945.04
  4. Step 4: Simplify right side
    751,866.96x = 497,843,016,047.07
  5. Step 5: Solve for x
    x = 497,843,016,047.07/751,866.96
  6. Step 6: Final answer
    x = 662,142.43

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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.