Home / 677,683.42-1,016,528.64-228,408.18

Finding the Fourth Proportional to 677,683.42, 1,016,528.64 and 228,408.18

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Solution

The fourth proportional to 677,683.42, 1,016,528.64 and 228,408.18 is: 342,613.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,683.42 : 1,016,528.64 = 228,408.18 : x
  2. Step 2: Convert to fraction form
    677,683.42/1,016,528.64 = 228,408.18/x
  3. Step 3: Cross multiply
    677,683.42x = 1,016,528.64 × 228,408.18
  4. Step 4: Simplify right side
    677,683.42x = 232,183,456,580.28
  5. Step 5: Solve for x
    x = 232,183,456,580.28/677,683.42
  6. Step 6: Final answer
    x = 342,613.45

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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.