Home / 827,874.56-1,240,773.02-354,002.69

Finding the Fourth Proportional to 827,874.56, 1,240,773.02 and 354,002.69

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Solution

The fourth proportional to 827,874.56, 1,240,773.02 and 354,002.69 is: 530,559.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,874.56 : 1,240,773.02 = 354,002.69 : x
  2. Step 2: Convert to fraction form
    827,874.56/1,240,773.02 = 354,002.69/x
  3. Step 3: Cross multiply
    827,874.56x = 1,240,773.02 × 354,002.69
  4. Step 4: Simplify right side
    827,874.56x = 439,236,978,785.55
  5. Step 5: Solve for x
    x = 439,236,978,785.55/827,874.56
  6. Step 6: Final answer
    x = 530,559.82

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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.