Home / 817,032.40-1,224,236.40-769,793.20

Finding the Fourth Proportional to 817,032.40, 1,224,236.40 and 769,793.20

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Solution

The fourth proportional to 817,032.40, 1,224,236.40 and 769,793.20 is: 1,153,453.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,032.40 : 1,224,236.40 = 769,793.20 : x
  2. Step 2: Convert to fraction form
    817,032.40/1,224,236.40 = 769,793.20/x
  3. Step 3: Cross multiply
    817,032.40x = 1,224,236.40 × 769,793.20
  4. Step 4: Simplify right side
    817,032.40x = 942,408,855,912.48
  5. Step 5: Solve for x
    x = 942,408,855,912.48/817,032.40
  6. Step 6: Final answer
    x = 1,153,453.47

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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.