Home / 813,322.44-1,122,383.52-445,799.34

Finding the Fourth Proportional to 813,322.44, 1,122,383.52 and 445,799.34

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Solution

The fourth proportional to 813,322.44, 1,122,383.52 and 445,799.34 is: 615,202.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,322.44 : 1,122,383.52 = 445,799.34 : x
  2. Step 2: Convert to fraction form
    813,322.44/1,122,383.52 = 445,799.34/x
  3. Step 3: Cross multiply
    813,322.44x = 1,122,383.52 × 445,799.34
  4. Step 4: Simplify right side
    813,322.44x = 500,357,832,442.88
  5. Step 5: Solve for x
    x = 500,357,832,442.88/813,322.44
  6. Step 6: Final answer
    x = 615,202.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.