Home / 850,836.21-1,276,249.72-490,773.69

Finding the Fourth Proportional to 850,836.21, 1,276,249.72 and 490,773.69

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Solution

The fourth proportional to 850,836.21, 1,276,249.72 and 490,773.69 is: 736,157.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,836.21 : 1,276,249.72 = 490,773.69 : x
  2. Step 2: Convert to fraction form
    850,836.21/1,276,249.72 = 490,773.69/x
  3. Step 3: Cross multiply
    850,836.21x = 1,276,249.72 × 490,773.69
  4. Step 4: Simplify right side
    850,836.21x = 626,349,784,445.87
  5. Step 5: Solve for x
    x = 626,349,784,445.87/850,836.21
  6. Step 6: Final answer
    x = 736,157.88

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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.