Home / 937,245.28-1,405,576.98-338,128.36

Finding the Fourth Proportional to 937,245.28, 1,405,576.98 and 338,128.36

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Solution

The fourth proportional to 937,245.28, 1,405,576.98 and 338,128.36 is: 507,087.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    937,245.28 : 1,405,576.98 = 338,128.36 : x
  2. Step 2: Convert to fraction form
    937,245.28/1,405,576.98 = 338,128.36/x
  3. Step 3: Cross multiply
    937,245.28x = 1,405,576.98 × 338,128.36
  4. Step 4: Simplify right side
    937,245.28x = 475,265,439,101.15
  5. Step 5: Solve for x
    x = 475,265,439,101.15/937,245.28
  6. Step 6: Final answer
    x = 507,087.58

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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.