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Finding the Fourth Proportional to 552,880.66, 762,682.68 and 380,499.35

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Solution

The fourth proportional to 552,880.66, 762,682.68 and 380,499.35 is: 524,887.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,880.66 : 762,682.68 = 380,499.35 : x
  2. Step 2: Convert to fraction form
    552,880.66/762,682.68 = 380,499.35/x
  3. Step 3: Cross multiply
    552,880.66x = 762,682.68 × 380,499.35
  4. Step 4: Simplify right side
    552,880.66x = 290,200,263,996.26
  5. Step 5: Solve for x
    x = 290,200,263,996.26/552,880.66
  6. Step 6: Final answer
    x = 524,887.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.