Home / 791,457.36-1,187,219.25-230,491.86

Finding the Fourth Proportional to 791,457.36, 1,187,219.25 and 230,491.86

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Solution

The fourth proportional to 791,457.36, 1,187,219.25 and 230,491.86 is: 345,747.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,457.36 : 1,187,219.25 = 230,491.86 : x
  2. Step 2: Convert to fraction form
    791,457.36/1,187,219.25 = 230,491.86/x
  3. Step 3: Cross multiply
    791,457.36x = 1,187,219.25 × 230,491.86
  4. Step 4: Simplify right side
    791,457.36x = 273,644,373,160.31
  5. Step 5: Solve for x
    x = 273,644,373,160.31/791,457.36
  6. Step 6: Final answer
    x = 345,747.46

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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.