Home / 1,316.41-1,973.45-494.69

Finding the Fourth Proportional to 1,316.41, 1,973.45 and 494.69

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Solution

The fourth proportional to 1,316.41, 1,973.45 and 494.69 is: 741.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316.41 : 1,973.45 = 494.69 : x
  2. Step 2: Convert to fraction form
    1,316.41/1,973.45 = 494.69/x
  3. Step 3: Cross multiply
    1,316.41x = 1,973.45 × 494.69
  4. Step 4: Simplify right side
    1,316.41x = 976,237.35
  5. Step 5: Solve for x
    x = 976,237.35/1,316.41
  6. Step 6: Final answer
    x = 741.59

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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.