Home / 451,843.28-623,032.44-288,280.96

Finding the Fourth Proportional to 451,843.28, 623,032.44 and 288,280.96

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Solution

The fourth proportional to 451,843.28, 623,032.44 and 288,280.96 is: 397,501.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,843.28 : 623,032.44 = 288,280.96 : x
  2. Step 2: Convert to fraction form
    451,843.28/623,032.44 = 288,280.96/x
  3. Step 3: Cross multiply
    451,843.28x = 623,032.44 × 288,280.96
  4. Step 4: Simplify right side
    451,843.28x = 179,608,388,897.29
  5. Step 5: Solve for x
    x = 179,608,388,897.29/451,843.28
  6. Step 6: Final answer
    x = 397,501.52

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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.