Home / 501,247.73-691,758.53-286,383.18

Finding the Fourth Proportional to 501,247.73, 691,758.53 and 286,383.18

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Solution

The fourth proportional to 501,247.73, 691,758.53 and 286,383.18 is: 395,229.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,247.73 : 691,758.53 = 286,383.18 : x
  2. Step 2: Convert to fraction form
    501,247.73/691,758.53 = 286,383.18/x
  3. Step 3: Cross multiply
    501,247.73x = 691,758.53 × 286,383.18
  4. Step 4: Simplify right side
    501,247.73x = 198,108,006,181.61
  5. Step 5: Solve for x
    x = 198,108,006,181.61/501,247.73
  6. Step 6: Final answer
    x = 395,229.74

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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.