Home / 669,905.10-1,004,857.65-457,328.70

Finding the Fourth Proportional to 669,905.10, 1,004,857.65 and 457,328.70

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Solution

The fourth proportional to 669,905.10, 1,004,857.65 and 457,328.70 is: 685,993.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,905.10 : 1,004,857.65 = 457,328.70 : x
  2. Step 2: Convert to fraction form
    669,905.10/1,004,857.65 = 457,328.70/x
  3. Step 3: Cross multiply
    669,905.10x = 1,004,857.65 × 457,328.70
  4. Step 4: Simplify right side
    669,905.10x = 459,550,242,759.56
  5. Step 5: Solve for x
    x = 459,550,242,759.56/669,905.10
  6. Step 6: Final answer
    x = 685,993.05

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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.