Home / 1,055.19-1,582.98-324.60

Finding the Fourth Proportional to 1,055.19, 1,582.98 and 324.60

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Solution

The fourth proportional to 1,055.19, 1,582.98 and 324.60 is: 486.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,055.19 : 1,582.98 = 324.60 : x
  2. Step 2: Convert to fraction form
    1,055.19/1,582.98 = 324.60/x
  3. Step 3: Cross multiply
    1,055.19x = 1,582.98 × 324.60
  4. Step 4: Simplify right side
    1,055.19x = 513,835.31
  5. Step 5: Solve for x
    x = 513,835.31/1,055.19
  6. Step 6: Final answer
    x = 486.96

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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.