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Finding the Fourth Proportional to 524,672.10, 787,202.55 and 505,232.10

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Solution

The fourth proportional to 524,672.10, 787,202.55 and 505,232.10 is: 758,035.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,672.10 : 787,202.55 = 505,232.10 : x
  2. Step 2: Convert to fraction form
    524,672.10/787,202.55 = 505,232.10/x
  3. Step 3: Cross multiply
    524,672.10x = 787,202.55 × 505,232.10
  4. Step 4: Simplify right side
    524,672.10x = 397,719,997,461.86
  5. Step 5: Solve for x
    x = 397,719,997,461.86/524,672.10
  6. Step 6: Final answer
    x = 758,035.35

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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.