Home / 672,705.72-1,009,062.60-199,395.12

Finding the Fourth Proportional to 672,705.72, 1,009,062.60 and 199,395.12

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Solution

The fourth proportional to 672,705.72, 1,009,062.60 and 199,395.12 is: 299,093.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,705.72 : 1,009,062.60 = 199,395.12 : x
  2. Step 2: Convert to fraction form
    672,705.72/1,009,062.60 = 199,395.12/x
  3. Step 3: Cross multiply
    672,705.72x = 1,009,062.60 × 199,395.12
  4. Step 4: Simplify right side
    672,705.72x = 201,202,158,214.51
  5. Step 5: Solve for x
    x = 201,202,158,214.51/672,705.72
  6. Step 6: Final answer
    x = 299,093.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.