Home / 947,382.28-1,421,163.12-264,314.54

Finding the Fourth Proportional to 947,382.28, 1,421,163.12 and 264,314.54

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Solution

The fourth proportional to 947,382.28, 1,421,163.12 and 264,314.54 is: 396,496.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,382.28 : 1,421,163.12 = 264,314.54 : x
  2. Step 2: Convert to fraction form
    947,382.28/1,421,163.12 = 264,314.54/x
  3. Step 3: Cross multiply
    947,382.28x = 1,421,163.12 × 264,314.54
  4. Step 4: Simplify right side
    947,382.28x = 375,634,080,871.85
  5. Step 5: Solve for x
    x = 375,634,080,871.85/947,382.28
  6. Step 6: Final answer
    x = 396,496.84

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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.