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Finding the Fourth Proportional to 552,880.41, 762,682.34 and 380,499.10

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Solution

The fourth proportional to 552,880.41, 762,682.34 and 380,499.10 is: 524,887.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,880.41 : 762,682.34 = 380,499.10 : x
  2. Step 2: Convert to fraction form
    552,880.41/762,682.34 = 380,499.10/x
  3. Step 3: Cross multiply
    552,880.41x = 762,682.34 × 380,499.10
  4. Step 4: Simplify right side
    552,880.41x = 290,199,941,397.57
  5. Step 5: Solve for x
    x = 290,199,941,397.57/552,880.41
  6. Step 6: Final answer
    x = 524,887.37

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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.