Home / 664,258.10-995,366.55-494,984.30

Finding the Fourth Proportional to 664,258.10, 995,366.55 and 494,984.30

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Solution

The fourth proportional to 664,258.10, 995,366.55 and 494,984.30 is: 741,715.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,258.10 : 995,366.55 = 494,984.30 : x
  2. Step 2: Convert to fraction form
    664,258.10/995,366.55 = 494,984.30/x
  3. Step 3: Cross multiply
    664,258.10x = 995,366.55 × 494,984.30
  4. Step 4: Simplify right side
    664,258.10x = 492,690,814,995.17
  5. Step 5: Solve for x
    x = 492,690,814,995.17/664,258.10
  6. Step 6: Final answer
    x = 741,715.93

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Double scale
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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.