Home / 902,322.74-1,245,205.69-494,421.28

Finding the Fourth Proportional to 902,322.74, 1,245,205.69 and 494,421.28

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Solution

The fourth proportional to 902,322.74, 1,245,205.69 and 494,421.28 is: 682,301.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,322.74 : 1,245,205.69 = 494,421.28 : x
  2. Step 2: Convert to fraction form
    902,322.74/1,245,205.69 = 494,421.28/x
  3. Step 3: Cross multiply
    902,322.74x = 1,245,205.69 × 494,421.28
  4. Step 4: Simplify right side
    902,322.74x = 615,656,186,764.02
  5. Step 5: Solve for x
    x = 615,656,186,764.02/902,322.74
  6. Step 6: Final answer
    x = 682,301.53

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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.