Home / 781,945.76-1,173,015.22-276,402.54

Finding the Fourth Proportional to 781,945.76, 1,173,015.22 and 276,402.54

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Solution

The fourth proportional to 781,945.76, 1,173,015.22 and 276,402.54 is: 414,637.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,945.76 : 1,173,015.22 = 276,402.54 : x
  2. Step 2: Convert to fraction form
    781,945.76/1,173,015.22 = 276,402.54/x
  3. Step 3: Cross multiply
    781,945.76x = 1,173,015.22 × 276,402.54
  4. Step 4: Simplify right side
    781,945.76x = 324,224,386,266.66
  5. Step 5: Solve for x
    x = 324,224,386,266.66/781,945.76
  6. Step 6: Final answer
    x = 414,637.95

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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.