Home / 669,920.63-1,004,880.94-171,284.63

Finding the Fourth Proportional to 669,920.63, 1,004,880.94 and 171,284.63

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Solution

The fourth proportional to 669,920.63, 1,004,880.94 and 171,284.63 is: 256,926.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,920.63 : 1,004,880.94 = 171,284.63 : x
  2. Step 2: Convert to fraction form
    669,920.63/1,004,880.94 = 171,284.63/x
  3. Step 3: Cross multiply
    669,920.63x = 1,004,880.94 × 171,284.63
  4. Step 4: Simplify right side
    669,920.63x = 172,120,654,549.34
  5. Step 5: Solve for x
    x = 172,120,654,549.34/669,920.63
  6. Step 6: Final answer
    x = 256,926.94

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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.