Home / 481,784.31-721,888.06-291,668.43

Finding the Fourth Proportional to 481,784.31, 721,888.06 and 291,668.43

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Solution

The fourth proportional to 481,784.31, 721,888.06 and 291,668.43 is: 437,025.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,784.31 : 721,888.06 = 291,668.43 : x
  2. Step 2: Convert to fraction form
    481,784.31/721,888.06 = 291,668.43/x
  3. Step 3: Cross multiply
    481,784.31x = 721,888.06 × 291,668.43
  4. Step 4: Simplify right side
    481,784.31x = 210,551,957,095.95
  5. Step 5: Solve for x
    x = 210,551,957,095.95/481,784.31
  6. Step 6: Final answer
    x = 437,025.35

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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.