Home / 823,239.60-1,234,081.80-486,538.80

Finding the Fourth Proportional to 823,239.60, 1,234,081.80 and 486,538.80

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Solution

The fourth proportional to 823,239.60, 1,234,081.80 and 486,538.80 is: 729,348.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,239.60 : 1,234,081.80 = 486,538.80 : x
  2. Step 2: Convert to fraction form
    823,239.60/1,234,081.80 = 486,538.80/x
  3. Step 3: Cross multiply
    823,239.60x = 1,234,081.80 × 486,538.80
  4. Step 4: Simplify right side
    823,239.60x = 600,428,678,073.84
  5. Step 5: Solve for x
    x = 600,428,678,073.84/823,239.60
  6. Step 6: Final answer
    x = 729,348.63

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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.