Home / 724,128.32-1,086,266.40-250,812.80

Finding the Fourth Proportional to 724,128.32, 1,086,266.40 and 250,812.80

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Solution

The fourth proportional to 724,128.32, 1,086,266.40 and 250,812.80 is: 376,244.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,128.32 : 1,086,266.40 = 250,812.80 : x
  2. Step 2: Convert to fraction form
    724,128.32/1,086,266.40 = 250,812.80/x
  3. Step 3: Cross multiply
    724,128.32x = 1,086,266.40 × 250,812.80
  4. Step 4: Simplify right side
    724,128.32x = 272,449,517,329.92
  5. Step 5: Solve for x
    x = 272,449,517,329.92/724,128.32
  6. Step 6: Final answer
    x = 376,244.80

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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.