Home / 420,750.32-580,677.44-250,984.44

Finding the Fourth Proportional to 420,750.32, 580,677.44 and 250,984.44

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Solution

The fourth proportional to 420,750.32, 580,677.44 and 250,984.44 is: 346,383.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    420,750.32 : 580,677.44 = 250,984.44 : x
  2. Step 2: Convert to fraction form
    420,750.32/580,677.44 = 250,984.44/x
  3. Step 3: Cross multiply
    420,750.32x = 580,677.44 × 250,984.44
  4. Step 4: Simplify right side
    420,750.32x = 145,741,000,844.11
  5. Step 5: Solve for x
    x = 145,741,000,844.11/420,750.32
  6. Step 6: Final answer
    x = 346,383.58

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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.