Home / 1,316.44-1,973.36-494.14

Finding the Fourth Proportional to 1,316.44, 1,973.36 and 494.14

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Solution

The fourth proportional to 1,316.44, 1,973.36 and 494.14 is: 740.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316.44 : 1,973.36 = 494.14 : x
  2. Step 2: Convert to fraction form
    1,316.44/1,973.36 = 494.14/x
  3. Step 3: Cross multiply
    1,316.44x = 1,973.36 × 494.14
  4. Step 4: Simplify right side
    1,316.44x = 975,116.11
  5. Step 5: Solve for x
    x = 975,116.11/1,316.44
  6. Step 6: Final answer
    x = 740.72

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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.