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Finding the Fourth Proportional to 512,269.60, 718,227.20 and 512,269.60

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Solution

The fourth proportional to 512,269.60, 718,227.20 and 512,269.60 is: 718,227.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,269.60 : 718,227.20 = 512,269.60 : x
  2. Step 2: Convert to fraction form
    512,269.60/718,227.20 = 512,269.60/x
  3. Step 3: Cross multiply
    512,269.60x = 718,227.20 × 512,269.60
  4. Step 4: Simplify right side
    512,269.60x = 367,925,960,453.12
  5. Step 5: Solve for x
    x = 367,925,960,453.12/512,269.60
  6. Step 6: Final answer
    x = 718,227.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.