Home / 626,947.39-865,452.26-423,274.20

Finding the Fourth Proportional to 626,947.39, 865,452.26 and 423,274.20

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Solution

The fourth proportional to 626,947.39, 865,452.26 and 423,274.20 is: 584,297.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,947.39 : 865,452.26 = 423,274.20 : x
  2. Step 2: Convert to fraction form
    626,947.39/865,452.26 = 423,274.20/x
  3. Step 3: Cross multiply
    626,947.39x = 865,452.26 × 423,274.20
  4. Step 4: Simplify right side
    626,947.39x = 366,323,612,989.69
  5. Step 5: Solve for x
    x = 366,323,612,989.69/626,947.39
  6. Step 6: Final answer
    x = 584,297.21

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Double scale
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1.5x scale

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.