Home / 496,727.51-685,464.93-281,854.76

Finding the Fourth Proportional to 496,727.51, 685,464.93 and 281,854.76

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Solution

The fourth proportional to 496,727.51, 685,464.93 and 281,854.76 is: 388,948.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,727.51 : 685,464.93 = 281,854.76 : x
  2. Step 2: Convert to fraction form
    496,727.51/685,464.93 = 281,854.76/x
  3. Step 3: Cross multiply
    496,727.51x = 685,464.93 × 281,854.76
  4. Step 4: Simplify right side
    496,727.51x = 193,201,549,906.24
  5. Step 5: Solve for x
    x = 193,201,549,906.24/496,727.51
  6. Step 6: Final answer
    x = 388,948.77

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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.