Home / 755,460.82-1,042,542.21-411,299.11

Finding the Fourth Proportional to 755,460.82, 1,042,542.21 and 411,299.11

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Solution

The fourth proportional to 755,460.82, 1,042,542.21 and 411,299.11 is: 567,596.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,460.82 : 1,042,542.21 = 411,299.11 : x
  2. Step 2: Convert to fraction form
    755,460.82/1,042,542.21 = 411,299.11/x
  3. Step 3: Cross multiply
    755,460.82x = 1,042,542.21 × 411,299.11
  4. Step 4: Simplify right side
    755,460.82x = 428,796,683,110.43
  5. Step 5: Solve for x
    x = 428,796,683,110.43/755,460.82
  6. Step 6: Final answer
    x = 567,596.19

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1.5x scale

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.