Home / 725,904.40-1,088,856.60-410,976.40

Finding the Fourth Proportional to 725,904.40, 1,088,856.60 and 410,976.40

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Solution

The fourth proportional to 725,904.40, 1,088,856.60 and 410,976.40 is: 616,464.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,904.40 : 1,088,856.60 = 410,976.40 : x
  2. Step 2: Convert to fraction form
    725,904.40/1,088,856.60 = 410,976.40/x
  3. Step 3: Cross multiply
    725,904.40x = 1,088,856.60 × 410,976.40
  4. Step 4: Simplify right side
    725,904.40x = 447,494,365,584.24
  5. Step 5: Solve for x
    x = 447,494,365,584.24/725,904.40
  6. Step 6: Final answer
    x = 616,464.60

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Half scale
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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.