Home / 496,849.43-685,655.50-281,993.08

Finding the Fourth Proportional to 496,849.43, 685,655.50 and 281,993.08

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Solution

The fourth proportional to 496,849.43, 685,655.50 and 281,993.08 is: 389,152.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,849.43 : 685,655.50 = 281,993.08 : x
  2. Step 2: Convert to fraction form
    496,849.43/685,655.50 = 281,993.08/x
  3. Step 3: Cross multiply
    496,849.43x = 685,655.50 × 281,993.08
  4. Step 4: Simplify right side
    496,849.43x = 193,350,106,263.94
  5. Step 5: Solve for x
    x = 193,350,106,263.94/496,849.43
  6. Step 6: Final answer
    x = 389,152.32

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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.