Home / 679,134.14-936,814.82-424,042.46

Finding the Fourth Proportional to 679,134.14, 936,814.82 and 424,042.46

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Solution

The fourth proportional to 679,134.14, 936,814.82 and 424,042.46 is: 584,934.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,134.14 : 936,814.82 = 424,042.46 : x
  2. Step 2: Convert to fraction form
    679,134.14/936,814.82 = 424,042.46/x
  3. Step 3: Cross multiply
    679,134.14x = 936,814.82 × 424,042.46
  4. Step 4: Simplify right side
    679,134.14x = 397,249,254,032.97
  5. Step 5: Solve for x
    x = 397,249,254,032.97/679,134.14
  6. Step 6: Final answer
    x = 584,934.90

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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.