Home / 805,419.56-1,208,046.24-272,926.80

Finding the Fourth Proportional to 805,419.56, 1,208,046.24 and 272,926.80

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Solution

The fourth proportional to 805,419.56, 1,208,046.24 and 272,926.80 is: 409,362.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,419.56 : 1,208,046.24 = 272,926.80 : x
  2. Step 2: Convert to fraction form
    805,419.56/1,208,046.24 = 272,926.80/x
  3. Step 3: Cross multiply
    805,419.56x = 1,208,046.24 × 272,926.80
  4. Step 4: Simplify right side
    805,419.56x = 329,708,194,535.23
  5. Step 5: Solve for x
    x = 329,708,194,535.23/805,419.56
  6. Step 6: Final answer
    x = 409,362.04

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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.