Home / 672,925.30-1,008,027.15-419,427.70

Finding the Fourth Proportional to 672,925.30, 1,008,027.15 and 419,427.70

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Solution

The fourth proportional to 672,925.30, 1,008,027.15 and 419,427.70 is: 628,293.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,925.30 : 1,008,027.15 = 419,427.70 : x
  2. Step 2: Convert to fraction form
    672,925.30/1,008,027.15 = 419,427.70/x
  3. Step 3: Cross multiply
    672,925.30x = 1,008,027.15 × 419,427.70
  4. Step 4: Simplify right side
    672,925.30x = 422,794,509,062.06
  5. Step 5: Solve for x
    x = 422,794,509,062.06/672,925.30
  6. Step 6: Final answer
    x = 628,293.38

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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.