Home / 421,976.61-632,527.47-263,841.93

Finding the Fourth Proportional to 421,976.61, 632,527.47 and 263,841.93

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Solution

The fourth proportional to 421,976.61, 632,527.47 and 263,841.93 is: 395,489.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,976.61 : 632,527.47 = 263,841.93 : x
  2. Step 2: Convert to fraction form
    421,976.61/632,527.47 = 263,841.93/x
  3. Step 3: Cross multiply
    421,976.61x = 632,527.47 × 263,841.93
  4. Step 4: Simplify right side
    421,976.61x = 166,887,268,462.82
  5. Step 5: Solve for x
    x = 166,887,268,462.82/421,976.61
  6. Step 6: Final answer
    x = 395,489.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.