Home / 1,055.35-1,583.18-324.99

Finding the Fourth Proportional to 1,055.35, 1,583.18 and 324.99

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Solution

The fourth proportional to 1,055.35, 1,583.18 and 324.99 is: 487.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,055.35 : 1,583.18 = 324.99 : x
  2. Step 2: Convert to fraction form
    1,055.35/1,583.18 = 324.99/x
  3. Step 3: Cross multiply
    1,055.35x = 1,583.18 × 324.99
  4. Step 4: Simplify right side
    1,055.35x = 514,517.26
  5. Step 5: Solve for x
    x = 514,517.26/1,055.35
  6. Step 6: Final answer
    x = 487.53

Related Problems

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Double scale
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1.5x scale

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.