Home / 792,004.90-1,188,007.35-372,100.90

Finding the Fourth Proportional to 792,004.90, 1,188,007.35 and 372,100.90

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Solution

The fourth proportional to 792,004.90, 1,188,007.35 and 372,100.90 is: 558,151.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,004.90 : 1,188,007.35 = 372,100.90 : x
  2. Step 2: Convert to fraction form
    792,004.90/1,188,007.35 = 372,100.90/x
  3. Step 3: Cross multiply
    792,004.90x = 1,188,007.35 × 372,100.90
  4. Step 4: Simplify right side
    792,004.90x = 442,058,604,141.62
  5. Step 5: Solve for x
    x = 442,058,604,141.62/792,004.90
  6. Step 6: Final answer
    x = 558,151.35

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.