Home / 879,194.71-1,318,777.53-280,147.74

Finding the Fourth Proportional to 879,194.71, 1,318,777.53 and 280,147.74

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Solution

The fourth proportional to 879,194.71, 1,318,777.53 and 280,147.74 is: 420,216.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,194.71 : 1,318,777.53 = 280,147.74 : x
  2. Step 2: Convert to fraction form
    879,194.71/1,318,777.53 = 280,147.74/x
  3. Step 3: Cross multiply
    879,194.71x = 1,318,777.53 × 280,147.74
  4. Step 4: Simplify right side
    879,194.71x = 369,452,544,592.28
  5. Step 5: Solve for x
    x = 369,452,544,592.28/879,194.71
  6. Step 6: Final answer
    x = 420,216.98

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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.