Home / 479,921.44-719,969.64-240,160.72

Finding the Fourth Proportional to 479,921.44, 719,969.64 and 240,160.72

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Solution

The fourth proportional to 479,921.44, 719,969.64 and 240,160.72 is: 360,284.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,921.44 : 719,969.64 = 240,160.72 : x
  2. Step 2: Convert to fraction form
    479,921.44/719,969.64 = 240,160.72/x
  3. Step 3: Cross multiply
    479,921.44x = 719,969.64 × 240,160.72
  4. Step 4: Simplify right side
    479,921.44x = 172,908,427,120.54
  5. Step 5: Solve for x
    x = 172,908,427,120.54/479,921.44
  6. Step 6: Final answer
    x = 360,284.86

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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.