Home / 1,150.14-1,725.18-457.18

Finding the Fourth Proportional to 1,150.14, 1,725.18 and 457.18

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Solution

The fourth proportional to 1,150.14, 1,725.18 and 457.18 is: 685.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,150.14 : 1,725.18 = 457.18 : x
  2. Step 2: Convert to fraction form
    1,150.14/1,725.18 = 457.18/x
  3. Step 3: Cross multiply
    1,150.14x = 1,725.18 × 457.18
  4. Step 4: Simplify right side
    1,150.14x = 788,717.79
  5. Step 5: Solve for x
    x = 788,717.79/1,150.14
  6. Step 6: Final answer
    x = 685.76

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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.