Home / 807,995.40-1,211,993.10-247,029.90

Finding the Fourth Proportional to 807,995.40, 1,211,993.10 and 247,029.90

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Solution

The fourth proportional to 807,995.40, 1,211,993.10 and 247,029.90 is: 370,544.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,995.40 : 1,211,993.10 = 247,029.90 : x
  2. Step 2: Convert to fraction form
    807,995.40/1,211,993.10 = 247,029.90/x
  3. Step 3: Cross multiply
    807,995.40x = 1,211,993.10 × 247,029.90
  4. Step 4: Simplify right side
    807,995.40x = 299,398,534,293.69
  5. Step 5: Solve for x
    x = 299,398,534,293.69/807,995.40
  6. Step 6: Final answer
    x = 370,544.85

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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.