Home / 850,976.60-1,277,048.10-378,001.40

Finding the Fourth Proportional to 850,976.60, 1,277,048.10 and 378,001.40

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Solution

The fourth proportional to 850,976.60, 1,277,048.10 and 378,001.40 is: 567,261.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,976.60 : 1,277,048.10 = 378,001.40 : x
  2. Step 2: Convert to fraction form
    850,976.60/1,277,048.10 = 378,001.40/x
  3. Step 3: Cross multiply
    850,976.60x = 1,277,048.10 × 378,001.40
  4. Step 4: Simplify right side
    850,976.60x = 482,725,969,667.34
  5. Step 5: Solve for x
    x = 482,725,969,667.34/850,976.60
  6. Step 6: Final answer
    x = 567,261.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.