Home / 767,715.40-1,151,472.30-235,289.80

Finding the Fourth Proportional to 767,715.40, 1,151,472.30 and 235,289.80

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Solution

The fourth proportional to 767,715.40, 1,151,472.30 and 235,289.80 is: 352,903.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,715.40 : 1,151,472.30 = 235,289.80 : x
  2. Step 2: Convert to fraction form
    767,715.40/1,151,472.30 = 235,289.80/x
  3. Step 3: Cross multiply
    767,715.40x = 1,151,472.30 × 235,289.80
  4. Step 4: Simplify right side
    767,715.40x = 270,929,687,172.54
  5. Step 5: Solve for x
    x = 270,929,687,172.54/767,715.40
  6. Step 6: Final answer
    x = 352,903.81

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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.