Home / 1,020.01-1,407.40-600.43

Finding the Fourth Proportional to 1,020.01, 1,407.40 and 600.43

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Solution

The fourth proportional to 1,020.01, 1,407.40 and 600.43 is: 828.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020.01 : 1,407.40 = 600.43 : x
  2. Step 2: Convert to fraction form
    1,020.01/1,407.40 = 600.43/x
  3. Step 3: Cross multiply
    1,020.01x = 1,407.40 × 600.43
  4. Step 4: Simplify right side
    1,020.01x = 845,045.18
  5. Step 5: Solve for x
    x = 845,045.18/1,020.01
  6. Step 6: Final answer
    x = 828.47

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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.