Home / 626,963.33-865,474.28-423,290.18

Finding the Fourth Proportional to 626,963.33, 865,474.28 and 423,290.18

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Solution

The fourth proportional to 626,963.33, 865,474.28 and 423,290.18 is: 584,319.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,963.33 : 865,474.28 = 423,290.18 : x
  2. Step 2: Convert to fraction form
    626,963.33/865,474.28 = 423,290.18/x
  3. Step 3: Cross multiply
    626,963.33x = 865,474.28 × 423,290.18
  4. Step 4: Simplify right side
    626,963.33x = 366,346,763,766.57
  5. Step 5: Solve for x
    x = 366,346,763,766.57/626,963.33
  6. Step 6: Final answer
    x = 584,319.28

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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.