Home / 491,588.01-678,601.15-330,536.41

Finding the Fourth Proportional to 491,588.01, 678,601.15 and 330,536.41

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Solution

The fourth proportional to 491,588.01, 678,601.15 and 330,536.41 is: 456,281.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,588.01 : 678,601.15 = 330,536.41 : x
  2. Step 2: Convert to fraction form
    491,588.01/678,601.15 = 330,536.41/x
  3. Step 3: Cross multiply
    491,588.01x = 678,601.15 × 330,536.41
  4. Step 4: Simplify right side
    491,588.01x = 224,302,387,942.87
  5. Step 5: Solve for x
    x = 224,302,387,942.87/491,588.01
  6. Step 6: Final answer
    x = 456,281.24

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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.