Home / 850,822.60-1,276,233.90-345,625.60

Finding the Fourth Proportional to 850,822.60, 1,276,233.90 and 345,625.60

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Solution

The fourth proportional to 850,822.60, 1,276,233.90 and 345,625.60 is: 518,438.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,822.60 : 1,276,233.90 = 345,625.60 : x
  2. Step 2: Convert to fraction form
    850,822.60/1,276,233.90 = 345,625.60/x
  3. Step 3: Cross multiply
    850,822.60x = 1,276,233.90 × 345,625.60
  4. Step 4: Simplify right side
    850,822.60x = 441,099,107,427.84
  5. Step 5: Solve for x
    x = 441,099,107,427.84/850,822.60
  6. Step 6: Final answer
    x = 518,438.40

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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.