Home / 1,302.02-1,953.20-480.14

Finding the Fourth Proportional to 1,302.02, 1,953.20 and 480.14

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Solution

The fourth proportional to 1,302.02, 1,953.20 and 480.14 is: 720.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,302.02 : 1,953.20 = 480.14 : x
  2. Step 2: Convert to fraction form
    1,302.02/1,953.20 = 480.14/x
  3. Step 3: Cross multiply
    1,302.02x = 1,953.20 × 480.14
  4. Step 4: Simplify right side
    1,302.02x = 937,809.45
  5. Step 5: Solve for x
    x = 937,809.45/1,302.02
  6. Step 6: Final answer
    x = 720.27

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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.