Home / 496,938.61-685,595.17-281,954.15

Finding the Fourth Proportional to 496,938.61, 685,595.17 and 281,954.15

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Solution

The fourth proportional to 496,938.61, 685,595.17 and 281,954.15 is: 388,994.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,938.61 : 685,595.17 = 281,954.15 : x
  2. Step 2: Convert to fraction form
    496,938.61/685,595.17 = 281,954.15/x
  3. Step 3: Cross multiply
    496,938.61x = 685,595.17 × 281,954.15
  4. Step 4: Simplify right side
    496,938.61x = 193,306,403,401.46
  5. Step 5: Solve for x
    x = 193,306,403,401.46/496,938.61
  6. Step 6: Final answer
    x = 388,994.53

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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.