Home / 1,008.86-1,392.38-566.66

Finding the Fourth Proportional to 1,008.86, 1,392.38 and 566.66

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Solution

The fourth proportional to 1,008.86, 1,392.38 and 566.66 is: 782.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008.86 : 1,392.38 = 566.66 : x
  2. Step 2: Convert to fraction form
    1,008.86/1,392.38 = 566.66/x
  3. Step 3: Cross multiply
    1,008.86x = 1,392.38 × 566.66
  4. Step 4: Simplify right side
    1,008.86x = 788,996.26
  5. Step 5: Solve for x
    x = 788,996.26/1,008.86
  6. Step 6: Final answer
    x = 782.07

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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.