Home / 787,495.61-1,086,825.57-481,775.60

Finding the Fourth Proportional to 787,495.61, 1,086,825.57 and 481,775.60

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Solution

The fourth proportional to 787,495.61, 1,086,825.57 and 481,775.60 is: 664,900.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,495.61 : 1,086,825.57 = 481,775.60 : x
  2. Step 2: Convert to fraction form
    787,495.61/1,086,825.57 = 481,775.60/x
  3. Step 3: Cross multiply
    787,495.61x = 1,086,825.57 × 481,775.60
  4. Step 4: Simplify right side
    787,495.61x = 523,606,041,082.09
  5. Step 5: Solve for x
    x = 523,606,041,082.09/787,495.61
  6. Step 6: Final answer
    x = 664,900.27

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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.