Home / 756,387.27-1,134,715.77-250,978.59

Finding the Fourth Proportional to 756,387.27, 1,134,715.77 and 250,978.59

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Solution

The fourth proportional to 756,387.27, 1,134,715.77 and 250,978.59 is: 376,512.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,387.27 : 1,134,715.77 = 250,978.59 : x
  2. Step 2: Convert to fraction form
    756,387.27/1,134,715.77 = 250,978.59/x
  3. Step 3: Cross multiply
    756,387.27x = 1,134,715.77 × 250,978.59
  4. Step 4: Simplify right side
    756,387.27x = 284,789,364,005.36
  5. Step 5: Solve for x
    x = 284,789,364,005.36/756,387.27
  6. Step 6: Final answer
    x = 376,512.63

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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.