Home / 1,025.93-1,415.68-606.30

Finding the Fourth Proportional to 1,025.93, 1,415.68 and 606.30

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Solution

The fourth proportional to 1,025.93, 1,415.68 and 606.30 is: 836.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,025.93 : 1,415.68 = 606.30 : x
  2. Step 2: Convert to fraction form
    1,025.93/1,415.68 = 606.30/x
  3. Step 3: Cross multiply
    1,025.93x = 1,415.68 × 606.30
  4. Step 4: Simplify right side
    1,025.93x = 858,327.92
  5. Step 5: Solve for x
    x = 858,327.92/1,025.93
  6. Step 6: Final answer
    x = 836.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.