Home / 626,960.31-865,469.98-423,287.02

Finding the Fourth Proportional to 626,960.31, 865,469.98 and 423,287.02

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Solution

The fourth proportional to 626,960.31, 865,469.98 and 423,287.02 is: 584,314.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,960.31 : 865,469.98 = 423,287.02 : x
  2. Step 2: Convert to fraction form
    626,960.31/865,469.98 = 423,287.02/x
  3. Step 3: Cross multiply
    626,960.31x = 865,469.98 × 423,287.02
  4. Step 4: Simplify right side
    626,960.31x = 366,342,208,733.66
  5. Step 5: Solve for x
    x = 366,342,208,733.66/626,960.31
  6. Step 6: Final answer
    x = 584,314.83

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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.