Home / 790,481.58-1,090,867.19-427,905.34

Finding the Fourth Proportional to 790,481.58, 1,090,867.19 and 427,905.34

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Solution

The fourth proportional to 790,481.58, 1,090,867.19 and 427,905.34 is: 590,510.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,481.58 : 1,090,867.19 = 427,905.34 : x
  2. Step 2: Convert to fraction form
    790,481.58/1,090,867.19 = 427,905.34/x
  3. Step 3: Cross multiply
    790,481.58x = 1,090,867.19 × 427,905.34
  4. Step 4: Simplify right side
    790,481.58x = 466,787,895,831.80
  5. Step 5: Solve for x
    x = 466,787,895,831.80/790,481.58
  6. Step 6: Final answer
    x = 590,510.78

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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.