Home / 694,879.29-1,042,498.64-406,934.12

Finding the Fourth Proportional to 694,879.29, 1,042,498.64 and 406,934.12

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Solution

The fourth proportional to 694,879.29, 1,042,498.64 and 406,934.12 is: 610,506.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,879.29 : 1,042,498.64 = 406,934.12 : x
  2. Step 2: Convert to fraction form
    694,879.29/1,042,498.64 = 406,934.12/x
  3. Step 3: Cross multiply
    694,879.29x = 1,042,498.64 × 406,934.12
  4. Step 4: Simplify right side
    694,879.29x = 424,228,261,457.10
  5. Step 5: Solve for x
    x = 424,228,261,457.10/694,879.29
  6. Step 6: Final answer
    x = 610,506.41

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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.