Home / 756,389.28-1,134,718.84-250,980.56

Finding the Fourth Proportional to 756,389.28, 1,134,718.84 and 250,980.56

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Solution

The fourth proportional to 756,389.28, 1,134,718.84 and 250,980.56 is: 376,515.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,389.28 : 1,134,718.84 = 250,980.56 : x
  2. Step 2: Convert to fraction form
    756,389.28/1,134,718.84 = 250,980.56/x
  3. Step 3: Cross multiply
    756,389.28x = 1,134,718.84 × 250,980.56
  4. Step 4: Simplify right side
    756,389.28x = 284,792,369,905.75
  5. Step 5: Solve for x
    x = 284,792,369,905.75/756,389.28
  6. Step 6: Final answer
    x = 376,515.61

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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.