Home / 985,394.54-1,359,742.74-727,408.64

Finding the Fourth Proportional to 985,394.54, 1,359,742.74 and 727,408.64

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Solution

The fourth proportional to 985,394.54, 1,359,742.74 and 727,408.64 is: 1,003,748.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,394.54 : 1,359,742.74 = 727,408.64 : x
  2. Step 2: Convert to fraction form
    985,394.54/1,359,742.74 = 727,408.64/x
  3. Step 3: Cross multiply
    985,394.54x = 1,359,742.74 × 727,408.64
  4. Step 4: Simplify right side
    985,394.54x = 989,088,617,253.27
  5. Step 5: Solve for x
    x = 989,088,617,253.27/985,394.54
  6. Step 6: Final answer
    x = 1,003,748.83

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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.