Home / 1,302.04-1,952.43-480.70

Finding the Fourth Proportional to 1,302.04, 1,952.43 and 480.70

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Solution

The fourth proportional to 1,302.04, 1,952.43 and 480.70 is: 720.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,302.04 : 1,952.43 = 480.70 : x
  2. Step 2: Convert to fraction form
    1,302.04/1,952.43 = 480.70/x
  3. Step 3: Cross multiply
    1,302.04x = 1,952.43 × 480.70
  4. Step 4: Simplify right side
    1,302.04x = 938,533.10
  5. Step 5: Solve for x
    x = 938,533.10/1,302.04
  6. Step 6: Final answer
    x = 720.82

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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.