Home / 785,339.40-1,179,758.70-753,457.80

Finding the Fourth Proportional to 785,339.40, 1,179,758.70 and 753,457.80

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Solution

The fourth proportional to 785,339.40, 1,179,758.70 and 753,457.80 is: 1,131,865.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,339.40 : 1,179,758.70 = 753,457.80 : x
  2. Step 2: Convert to fraction form
    785,339.40/1,179,758.70 = 753,457.80/x
  3. Step 3: Cross multiply
    785,339.40x = 1,179,758.70 × 753,457.80
  4. Step 4: Simplify right side
    785,339.40x = 888,898,394,632.86
  5. Step 5: Solve for x
    x = 888,898,394,632.86/785,339.40
  6. Step 6: Final answer
    x = 1,131,865.27

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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.