Home / 902,334.32-1,245,221.64-494,432.84

Finding the Fourth Proportional to 902,334.32, 1,245,221.64 and 494,432.84

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Solution

The fourth proportional to 902,334.32, 1,245,221.64 and 494,432.84 is: 682,317.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,334.32 : 1,245,221.64 = 494,432.84 : x
  2. Step 2: Convert to fraction form
    902,334.32/1,245,221.64 = 494,432.84/x
  3. Step 3: Cross multiply
    902,334.32x = 1,245,221.64 × 494,432.84
  4. Step 4: Simplify right side
    902,334.32x = 615,678,471,894.66
  5. Step 5: Solve for x
    x = 615,678,471,894.66/902,334.32
  6. Step 6: Final answer
    x = 682,317.47

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Double scale
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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.