Home / 629,325.28-868,464.60-342,845.56

Finding the Fourth Proportional to 629,325.28, 868,464.60 and 342,845.56

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Solution

The fourth proportional to 629,325.28, 868,464.60 and 342,845.56 is: 473,124.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,325.28 : 868,464.60 = 342,845.56 : x
  2. Step 2: Convert to fraction form
    629,325.28/868,464.60 = 342,845.56/x
  3. Step 3: Cross multiply
    629,325.28x = 868,464.60 × 342,845.56
  4. Step 4: Simplify right side
    629,325.28x = 297,749,232,127.18
  5. Step 5: Solve for x
    x = 297,749,232,127.18/629,325.28
  6. Step 6: Final answer
    x = 473,124.54

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1.5x scale

Why These Related Problems?

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