Home / 410,934.20-616,247.70-285,903.80

Finding the Fourth Proportional to 410,934.20, 616,247.70 and 285,903.80

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Solution

The fourth proportional to 410,934.20, 616,247.70 and 285,903.80 is: 428,748.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,934.20 : 616,247.70 = 285,903.80 : x
  2. Step 2: Convert to fraction form
    410,934.20/616,247.70 = 285,903.80/x
  3. Step 3: Cross multiply
    410,934.20x = 616,247.70 × 285,903.80
  4. Step 4: Simplify right side
    410,934.20x = 176,187,559,171.26
  5. Step 5: Solve for x
    x = 176,187,559,171.26/410,934.20
  6. Step 6: Final answer
    x = 428,748.83

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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.