Home / 1,032.80-1,550.30-416.93

Finding the Fourth Proportional to 1,032.80, 1,550.30 and 416.93

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Solution

The fourth proportional to 1,032.80, 1,550.30 and 416.93 is: 625.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,032.80 : 1,550.30 = 416.93 : x
  2. Step 2: Convert to fraction form
    1,032.80/1,550.30 = 416.93/x
  3. Step 3: Cross multiply
    1,032.80x = 1,550.30 × 416.93
  4. Step 4: Simplify right side
    1,032.80x = 646,356.74
  5. Step 5: Solve for x
    x = 646,356.74/1,032.80
  6. Step 6: Final answer
    x = 625.83

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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.