Home / 902,330.08-1,245,215.77-494,428.59

Finding the Fourth Proportional to 902,330.08, 1,245,215.77 and 494,428.59

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Solution

The fourth proportional to 902,330.08, 1,245,215.77 and 494,428.59 is: 682,311.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,330.08 : 1,245,215.77 = 494,428.59 : x
  2. Step 2: Convert to fraction form
    902,330.08/1,245,215.77 = 494,428.59/x
  3. Step 3: Cross multiply
    902,330.08x = 1,245,215.77 × 494,428.59
  4. Step 4: Simplify right side
    902,330.08x = 615,670,276,170.79
  5. Step 5: Solve for x
    x = 615,670,276,170.79/902,330.08
  6. Step 6: Final answer
    x = 682,311.60

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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.