Home / 807,747.80-1,211,679.30-246,781.40

Finding the Fourth Proportional to 807,747.80, 1,211,679.30 and 246,781.40

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Solution

The fourth proportional to 807,747.80, 1,211,679.30 and 246,781.40 is: 370,189.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,747.80 : 1,211,679.30 = 246,781.40 : x
  2. Step 2: Convert to fraction form
    807,747.80/1,211,679.30 = 246,781.40/x
  3. Step 3: Cross multiply
    807,747.80x = 1,211,679.30 × 246,781.40
  4. Step 4: Simplify right side
    807,747.80x = 299,019,914,005.02
  5. Step 5: Solve for x
    x = 299,019,914,005.02/807,747.80
  6. Step 6: Final answer
    x = 370,189.70

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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.