Home / 821,748.18-1,232,622.30-222,709.38

Finding the Fourth Proportional to 821,748.18, 1,232,622.30 and 222,709.38

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Solution

The fourth proportional to 821,748.18, 1,232,622.30 and 222,709.38 is: 334,064.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,748.18 : 1,232,622.30 = 222,709.38 : x
  2. Step 2: Convert to fraction form
    821,748.18/1,232,622.30 = 222,709.38/x
  3. Step 3: Cross multiply
    821,748.18x = 1,232,622.30 × 222,709.38
  4. Step 4: Simplify right side
    821,748.18x = 274,516,548,207.17
  5. Step 5: Solve for x
    x = 274,516,548,207.17/821,748.18
  6. Step 6: Final answer
    x = 334,064.08

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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.