Home / 726,774.25-1,003,168.93-420,925.80

Finding the Fourth Proportional to 726,774.25, 1,003,168.93 and 420,925.80

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Solution

The fourth proportional to 726,774.25, 1,003,168.93 and 420,925.80 is: 581,005.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,774.25 : 1,003,168.93 = 420,925.80 : x
  2. Step 2: Convert to fraction form
    726,774.25/1,003,168.93 = 420,925.80/x
  3. Step 3: Cross multiply
    726,774.25x = 1,003,168.93 × 420,925.80
  4. Step 4: Simplify right side
    726,774.25x = 422,259,684,395.39
  5. Step 5: Solve for x
    x = 422,259,684,395.39/726,774.25
  6. Step 6: Final answer
    x = 581,005.29

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.