Home / 823,234.20-1,235,628.90-508,306.20

Finding the Fourth Proportional to 823,234.20, 1,235,628.90 and 508,306.20

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Solution

The fourth proportional to 823,234.20, 1,235,628.90 and 508,306.20 is: 762,939.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,234.20 : 1,235,628.90 = 508,306.20 : x
  2. Step 2: Convert to fraction form
    823,234.20/1,235,628.90 = 508,306.20/x
  3. Step 3: Cross multiply
    823,234.20x = 1,235,628.90 × 508,306.20
  4. Step 4: Simplify right side
    823,234.20x = 628,077,830,769.18
  5. Step 5: Solve for x
    x = 628,077,830,769.18/823,234.20
  6. Step 6: Final answer
    x = 762,939.43

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Double scale
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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.