Home / 814,173.68-1,220,398.05-273,915.47

Finding the Fourth Proportional to 814,173.68, 1,220,398.05 and 273,915.47

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Solution

The fourth proportional to 814,173.68, 1,220,398.05 and 273,915.47 is: 410,583.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,173.68 : 1,220,398.05 = 273,915.47 : x
  2. Step 2: Convert to fraction form
    814,173.68/1,220,398.05 = 273,915.47/x
  3. Step 3: Cross multiply
    814,173.68x = 1,220,398.05 × 273,915.47
  4. Step 4: Simplify right side
    814,173.68x = 334,285,905,452.83
  5. Step 5: Solve for x
    x = 334,285,905,452.83/814,173.68
  6. Step 6: Final answer
    x = 410,583.04

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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.