Home / 928,365.54-1,392,398.82-254,289.18

Finding the Fourth Proportional to 928,365.54, 1,392,398.82 and 254,289.18

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Solution

The fourth proportional to 928,365.54, 1,392,398.82 and 254,289.18 is: 381,392.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,365.54 : 1,392,398.82 = 254,289.18 : x
  2. Step 2: Convert to fraction form
    928,365.54/1,392,398.82 = 254,289.18/x
  3. Step 3: Cross multiply
    928,365.54x = 1,392,398.82 × 254,289.18
  4. Step 4: Simplify right side
    928,365.54x = 354,071,954,170.77
  5. Step 5: Solve for x
    x = 354,071,954,170.77/928,365.54
  6. Step 6: Final answer
    x = 381,392.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.