Home / 656,304.10-984,487.42-318,942.82

Finding the Fourth Proportional to 656,304.10, 984,487.42 and 318,942.82

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Solution

The fourth proportional to 656,304.10, 984,487.42 and 318,942.82 is: 478,429.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,304.10 : 984,487.42 = 318,942.82 : x
  2. Step 2: Convert to fraction form
    656,304.10/984,487.42 = 318,942.82/x
  3. Step 3: Cross multiply
    656,304.10x = 984,487.42 × 318,942.82
  4. Step 4: Simplify right side
    656,304.10x = 313,995,193,989.32
  5. Step 5: Solve for x
    x = 313,995,193,989.32/656,304.10
  6. Step 6: Final answer
    x = 478,429.43

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1.5x scale

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.