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Finding the Fourth Proportional to 603,560.10, 905,480.28 and 177,078.69

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Solution

The fourth proportional to 603,560.10, 905,480.28 and 177,078.69 is: 265,659.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,560.10 : 905,480.28 = 177,078.69 : x
  2. Step 2: Convert to fraction form
    603,560.10/905,480.28 = 177,078.69/x
  3. Step 3: Cross multiply
    603,560.10x = 905,480.28 × 177,078.69
  4. Step 4: Simplify right side
    603,560.10x = 160,341,261,803.23
  5. Step 5: Solve for x
    x = 160,341,261,803.23/603,560.10
  6. Step 6: Final answer
    x = 265,659.15

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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.