Home / 807,797.82-1,211,921.52-352,428.90

Finding the Fourth Proportional to 807,797.82, 1,211,921.52 and 352,428.90

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Solution

The fourth proportional to 807,797.82, 1,211,921.52 and 352,428.90 is: 528,741.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,797.82 : 1,211,921.52 = 352,428.90 : x
  2. Step 2: Convert to fraction form
    807,797.82/1,211,921.52 = 352,428.90/x
  3. Step 3: Cross multiply
    807,797.82x = 1,211,921.52 × 352,428.90
  4. Step 4: Simplify right side
    807,797.82x = 427,116,168,179.93
  5. Step 5: Solve for x
    x = 427,116,168,179.93/807,797.82
  6. Step 6: Final answer
    x = 528,741.42

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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.