Home / 967,406.98-1,451,143.23-257,435.70

Finding the Fourth Proportional to 967,406.98, 1,451,143.23 and 257,435.70

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Solution

The fourth proportional to 967,406.98, 1,451,143.23 and 257,435.70 is: 386,162.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    967,406.98 : 1,451,143.23 = 257,435.70 : x
  2. Step 2: Convert to fraction form
    967,406.98/1,451,143.23 = 257,435.70/x
  3. Step 3: Cross multiply
    967,406.98x = 1,451,143.23 × 257,435.70
  4. Step 4: Simplify right side
    967,406.98x = 373,576,073,215.31
  5. Step 5: Solve for x
    x = 373,576,073,215.31/967,406.98
  6. Step 6: Final answer
    x = 386,162.27

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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.