Home / 792,635.40-1,189,730.70-393,726.60

Finding the Fourth Proportional to 792,635.40, 1,189,730.70 and 393,726.60

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Solution

The fourth proportional to 792,635.40, 1,189,730.70 and 393,726.60 is: 590,976.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,635.40 : 1,189,730.70 = 393,726.60 : x
  2. Step 2: Convert to fraction form
    792,635.40/1,189,730.70 = 393,726.60/x
  3. Step 3: Cross multiply
    792,635.40x = 1,189,730.70 × 393,726.60
  4. Step 4: Simplify right side
    792,635.40x = 468,428,623,426.62
  5. Step 5: Solve for x
    x = 468,428,623,426.62/792,635.40
  6. Step 6: Final answer
    x = 590,976.16

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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.