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Finding the Fourth Proportional to 646,333.56, 969,500.88 and 309,295.08

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Solution

The fourth proportional to 646,333.56, 969,500.88 and 309,295.08 is: 463,942.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,333.56 : 969,500.88 = 309,295.08 : x
  2. Step 2: Convert to fraction form
    646,333.56/969,500.88 = 309,295.08/x
  3. Step 3: Cross multiply
    646,333.56x = 969,500.88 × 309,295.08
  4. Step 4: Simplify right side
    646,333.56x = 299,861,852,239.67
  5. Step 5: Solve for x
    x = 299,861,852,239.67/646,333.56
  6. Step 6: Final answer
    x = 463,942.88

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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.