Home / 724,272.98-999,680.43-494,923.10

Finding the Fourth Proportional to 724,272.98, 999,680.43 and 494,923.10

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Solution

The fourth proportional to 724,272.98, 999,680.43 and 494,923.10 is: 683,119.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,272.98 : 999,680.43 = 494,923.10 : x
  2. Step 2: Convert to fraction form
    724,272.98/999,680.43 = 494,923.10/x
  3. Step 3: Cross multiply
    724,272.98x = 999,680.43 × 494,923.10
  4. Step 4: Simplify right side
    724,272.98x = 494,764,932,426.53
  5. Step 5: Solve for x
    x = 494,764,932,426.53/724,272.98
  6. Step 6: Final answer
    x = 683,119.42

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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.