Home / 494,830.74-682,663.40-301,083.12

Finding the Fourth Proportional to 494,830.74, 682,663.40 and 301,083.12

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Solution

The fourth proportional to 494,830.74, 682,663.40 and 301,083.12 is: 415,371.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,830.74 : 682,663.40 = 301,083.12 : x
  2. Step 2: Convert to fraction form
    494,830.74/682,663.40 = 301,083.12/x
  3. Step 3: Cross multiply
    494,830.74x = 682,663.40 × 301,083.12
  4. Step 4: Simplify right side
    494,830.74x = 205,538,426,381.81
  5. Step 5: Solve for x
    x = 205,538,426,381.81/494,830.74
  6. Step 6: Final answer
    x = 415,371.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.