Home / 626,946.39-865,450.88-423,273.20

Finding the Fourth Proportional to 626,946.39, 865,450.88 and 423,273.20

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Solution

The fourth proportional to 626,946.39, 865,450.88 and 423,273.20 is: 584,295.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,946.39 : 865,450.88 = 423,273.20 : x
  2. Step 2: Convert to fraction form
    626,946.39/865,450.88 = 423,273.20/x
  3. Step 3: Cross multiply
    626,946.39x = 865,450.88 × 423,273.20
  4. Step 4: Simplify right side
    626,946.39x = 366,322,156,976.80
  5. Step 5: Solve for x
    x = 366,322,156,976.80/626,946.39
  6. Step 6: Final answer
    x = 584,295.82

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Half scale
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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.