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Finding the Fourth Proportional to 605,600.10, 908,400.15 and 446,969.70

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Solution

The fourth proportional to 605,600.10, 908,400.15 and 446,969.70 is: 670,454.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,600.10 : 908,400.15 = 446,969.70 : x
  2. Step 2: Convert to fraction form
    605,600.10/908,400.15 = 446,969.70/x
  3. Step 3: Cross multiply
    605,600.10x = 908,400.15 × 446,969.70
  4. Step 4: Simplify right side
    605,600.10x = 406,027,342,525.46
  5. Step 5: Solve for x
    x = 406,027,342,525.46/605,600.10
  6. Step 6: Final answer
    x = 670,454.55

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Similar ratio
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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.