Home / 823,337.20-1,235,783.40-508,409.20

Finding the Fourth Proportional to 823,337.20, 1,235,783.40 and 508,409.20

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Solution

The fourth proportional to 823,337.20, 1,235,783.40 and 508,409.20 is: 763,093.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,337.20 : 1,235,783.40 = 508,409.20 : x
  2. Step 2: Convert to fraction form
    823,337.20/1,235,783.40 = 508,409.20/x
  3. Step 3: Cross multiply
    823,337.20x = 1,235,783.40 × 508,409.20
  4. Step 4: Simplify right side
    823,337.20x = 628,283,649,767.28
  5. Step 5: Solve for x
    x = 628,283,649,767.28/823,337.20
  6. Step 6: Final answer
    x = 763,093.97

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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.