Home / 626,940.47-865,442.67-423,267.26

Finding the Fourth Proportional to 626,940.47, 865,442.67 and 423,267.26

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Solution

The fourth proportional to 626,940.47, 865,442.67 and 423,267.26 is: 584,287.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,940.47 : 865,442.67 = 423,267.26 : x
  2. Step 2: Convert to fraction form
    626,940.47/865,442.67 = 423,267.26/x
  3. Step 3: Cross multiply
    626,940.47x = 865,442.67 × 423,267.26
  4. Step 4: Simplify right side
    626,940.47x = 366,313,543,290.77
  5. Step 5: Solve for x
    x = 366,313,543,290.77/626,940.47
  6. Step 6: Final answer
    x = 584,287.61

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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.