Home / 669,906.10-1,004,859.15-457,329.70

Finding the Fourth Proportional to 669,906.10, 1,004,859.15 and 457,329.70

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Solution

The fourth proportional to 669,906.10, 1,004,859.15 and 457,329.70 is: 685,994.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,906.10 : 1,004,859.15 = 457,329.70 : x
  2. Step 2: Convert to fraction form
    669,906.10/1,004,859.15 = 457,329.70/x
  3. Step 3: Cross multiply
    669,906.10x = 1,004,859.15 × 457,329.70
  4. Step 4: Simplify right side
    669,906.10x = 459,551,933,611.76
  5. Step 5: Solve for x
    x = 459,551,933,611.76/669,906.10
  6. Step 6: Final answer
    x = 685,994.55

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Double scale
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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.