Home / 771,597.03-1,065,083.40-628,107.96

Finding the Fourth Proportional to 771,597.03, 1,065,083.40 and 628,107.96

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Solution

The fourth proportional to 771,597.03, 1,065,083.40 and 628,107.96 is: 867,016.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,597.03 : 1,065,083.40 = 628,107.96 : x
  2. Step 2: Convert to fraction form
    771,597.03/1,065,083.40 = 628,107.96/x
  3. Step 3: Cross multiply
    771,597.03x = 1,065,083.40 × 628,107.96
  4. Step 4: Simplify right side
    771,597.03x = 668,987,361,603.86
  5. Step 5: Solve for x
    x = 668,987,361,603.86/771,597.03
  6. Step 6: Final answer
    x = 867,016.51

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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.