Home / 827,874.68-1,240,773.20-354,002.81

Finding the Fourth Proportional to 827,874.68, 1,240,773.20 and 354,002.81

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Solution

The fourth proportional to 827,874.68, 1,240,773.20 and 354,002.81 is: 530,560.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,874.68 : 1,240,773.20 = 354,002.81 : x
  2. Step 2: Convert to fraction form
    827,874.68/1,240,773.20 = 354,002.81/x
  3. Step 3: Cross multiply
    827,874.68x = 1,240,773.20 × 354,002.81
  4. Step 4: Simplify right side
    827,874.68x = 439,237,199,372.69
  5. Step 5: Solve for x
    x = 439,237,199,372.69/827,874.68
  6. Step 6: Final answer
    x = 530,560.01

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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.