Home / 756,800.40-1,044,392.72-412,633.52

Finding the Fourth Proportional to 756,800.40, 1,044,392.72 and 412,633.52

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Solution

The fourth proportional to 756,800.40, 1,044,392.72 and 412,633.52 is: 569,438.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,800.40 : 1,044,392.72 = 412,633.52 : x
  2. Step 2: Convert to fraction form
    756,800.40/1,044,392.72 = 412,633.52/x
  3. Step 3: Cross multiply
    756,800.40x = 1,044,392.72 × 412,633.52
  4. Step 4: Simplify right side
    756,800.40x = 430,951,444,315.97
  5. Step 5: Solve for x
    x = 430,951,444,315.97/756,800.40
  6. Step 6: Final answer
    x = 569,438.71

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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.