Home / 669,208.20-1,002,926.22-490,880.20

Finding the Fourth Proportional to 669,208.20, 1,002,926.22 and 490,880.20

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Solution

The fourth proportional to 669,208.20, 1,002,926.22 and 490,880.20 is: 735,670.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,208.20 : 1,002,926.22 = 490,880.20 : x
  2. Step 2: Convert to fraction form
    669,208.20/1,002,926.22 = 490,880.20/x
  3. Step 3: Cross multiply
    669,208.20x = 1,002,926.22 × 490,880.20
  4. Step 4: Simplify right side
    669,208.20x = 492,316,623,458.84
  5. Step 5: Solve for x
    x = 492,316,623,458.84/669,208.20
  6. Step 6: Final answer
    x = 735,670.34

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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.