Home / 1,057.20-1,458.74-614.94

Finding the Fourth Proportional to 1,057.20, 1,458.74 and 614.94

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Solution

The fourth proportional to 1,057.20, 1,458.74 and 614.94 is: 848.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,057.20 : 1,458.74 = 614.94 : x
  2. Step 2: Convert to fraction form
    1,057.20/1,458.74 = 614.94/x
  3. Step 3: Cross multiply
    1,057.20x = 1,458.74 × 614.94
  4. Step 4: Simplify right side
    1,057.20x = 897,037.58
  5. Step 5: Solve for x
    x = 897,037.58/1,057.20
  6. Step 6: Final answer
    x = 848.50

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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.