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Finding the Fourth Proportional to 1,032.01, 1,424.10 and 612.33

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Solution

The fourth proportional to 1,032.01, 1,424.10 and 612.33 is: 844.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,032.01 : 1,424.10 = 612.33 : x
  2. Step 2: Convert to fraction form
    1,032.01/1,424.10 = 612.33/x
  3. Step 3: Cross multiply
    1,032.01x = 1,424.10 × 612.33
  4. Step 4: Simplify right side
    1,032.01x = 872,019.15
  5. Step 5: Solve for x
    x = 872,019.15/1,032.01
  6. Step 6: Final answer
    x = 844.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.