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Finding the Fourth Proportional to 510,519, 764,440.74 and 359,944.32

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Solution

The fourth proportional to 510,519, 764,440.74 and 359,944.32 is: 538,973.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,519 : 764,440.74 = 359,944.32 : x
  2. Step 2: Convert to fraction form
    510,519/764,440.74 = 359,944.32/x
  3. Step 3: Cross multiply
    510,519x = 764,440.74 × 359,944.32
  4. Step 4: Simplify right side
    510,519x = 275,156,102,339.60
  5. Step 5: Solve for x
    x = 275,156,102,339.60/510,519
  6. Step 6: Final answer
    x = 538,973.28

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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.