Home / 902,330.82-1,245,216.84-494,429.34

Finding the Fourth Proportional to 902,330.82, 1,245,216.84 and 494,429.34

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Solution

The fourth proportional to 902,330.82, 1,245,216.84 and 494,429.34 is: 682,312.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,330.82 : 1,245,216.84 = 494,429.34 : x
  2. Step 2: Convert to fraction form
    902,330.82/1,245,216.84 = 494,429.34/x
  3. Step 3: Cross multiply
    902,330.82x = 1,245,216.84 × 494,429.34
  4. Step 4: Simplify right side
    902,330.82x = 615,671,740,358.09
  5. Step 5: Solve for x
    x = 615,671,740,358.09/902,330.82
  6. Step 6: Final answer
    x = 682,312.66

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1.5x scale

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.