Home / 960,856.20-1,440,628.20-455,659.20

Finding the Fourth Proportional to 960,856.20, 1,440,628.20 and 455,659.20

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Solution

The fourth proportional to 960,856.20, 1,440,628.20 and 455,659.20 is: 683,177.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    960,856.20 : 1,440,628.20 = 455,659.20 : x
  2. Step 2: Convert to fraction form
    960,856.20/1,440,628.20 = 455,659.20/x
  3. Step 3: Cross multiply
    960,856.20x = 1,440,628.20 × 455,659.20
  4. Step 4: Simplify right side
    960,856.20x = 656,435,493,109.44
  5. Step 5: Solve for x
    x = 656,435,493,109.44/960,856.20
  6. Step 6: Final answer
    x = 683,177.66

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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.