Home / 496,320.24-685,043.62-281,586

Finding the Fourth Proportional to 496,320.24, 685,043.62 and 281,586

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Solution

The fourth proportional to 496,320.24, 685,043.62 and 281,586 is: 388,657.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,320.24 : 685,043.62 = 281,586 : x
  2. Step 2: Convert to fraction form
    496,320.24/685,043.62 = 281,586/x
  3. Step 3: Cross multiply
    496,320.24x = 685,043.62 × 281,586
  4. Step 4: Simplify right side
    496,320.24x = 192,898,692,781.32
  5. Step 5: Solve for x
    x = 192,898,692,781.32/496,320.24
  6. Step 6: Final answer
    x = 388,657.72

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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.