Home / 693,524.02-1,040,305.48-338,821.78

Finding the Fourth Proportional to 693,524.02, 1,040,305.48 and 338,821.78

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Solution

The fourth proportional to 693,524.02, 1,040,305.48 and 338,821.78 is: 508,242.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,524.02 : 1,040,305.48 = 338,821.78 : x
  2. Step 2: Convert to fraction form
    693,524.02/1,040,305.48 = 338,821.78/x
  3. Step 3: Cross multiply
    693,524.02x = 1,040,305.48 × 338,821.78
  4. Step 4: Simplify right side
    693,524.02x = 352,478,154,477.35
  5. Step 5: Solve for x
    x = 352,478,154,477.35/693,524.02
  6. Step 6: Final answer
    x = 508,242.17

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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.