Home / 878,048.24-1,211,706.60-475,640.24

Finding the Fourth Proportional to 878,048.24, 1,211,706.60 and 475,640.24

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Solution

The fourth proportional to 878,048.24, 1,211,706.60 and 475,640.24 is: 656,383.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,048.24 : 1,211,706.60 = 475,640.24 : x
  2. Step 2: Convert to fraction form
    878,048.24/1,211,706.60 = 475,640.24/x
  3. Step 3: Cross multiply
    878,048.24x = 1,211,706.60 × 475,640.24
  4. Step 4: Simplify right side
    878,048.24x = 576,336,418,033.58
  5. Step 5: Solve for x
    x = 576,336,418,033.58/878,048.24
  6. Step 6: Final answer
    x = 656,383.55

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Double scale
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Similar ratio
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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.