Home / 626,940.27-865,442.42-423,267.08

Finding the Fourth Proportional to 626,940.27, 865,442.42 and 423,267.08

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Solution

The fourth proportional to 626,940.27, 865,442.42 and 423,267.08 is: 584,287.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,940.27 : 865,442.42 = 423,267.08 : x
  2. Step 2: Convert to fraction form
    626,940.27/865,442.42 = 423,267.08/x
  3. Step 3: Cross multiply
    626,940.27x = 865,442.42 × 423,267.08
  4. Step 4: Simplify right side
    626,940.27x = 366,313,279,577.99
  5. Step 5: Solve for x
    x = 366,313,279,577.99/626,940.27
  6. Step 6: Final answer
    x = 584,287.37

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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.