Home / 480,629.28-721,101.75-196,558.74

Finding the Fourth Proportional to 480,629.28, 721,101.75 and 196,558.74

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Solution

The fourth proportional to 480,629.28, 721,101.75 and 196,558.74 is: 294,902.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,629.28 : 721,101.75 = 196,558.74 : x
  2. Step 2: Convert to fraction form
    480,629.28/721,101.75 = 196,558.74/x
  3. Step 3: Cross multiply
    480,629.28x = 721,101.75 × 196,558.74
  4. Step 4: Simplify right side
    480,629.28x = 141,738,852,128.89
  5. Step 5: Solve for x
    x = 141,738,852,128.89/480,629.28
  6. Step 6: Final answer
    x = 294,902.66

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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.