Home / 507,830.40-762,037.20-192,513.60

Finding the Fourth Proportional to 507,830.40, 762,037.20 and 192,513.60

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Solution

The fourth proportional to 507,830.40, 762,037.20 and 192,513.60 is: 288,880.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,830.40 : 762,037.20 = 192,513.60 : x
  2. Step 2: Convert to fraction form
    507,830.40/762,037.20 = 192,513.60/x
  3. Step 3: Cross multiply
    507,830.40x = 762,037.20 × 192,513.60
  4. Step 4: Simplify right side
    507,830.40x = 146,702,524,705.92
  5. Step 5: Solve for x
    x = 146,702,524,705.92/507,830.40
  6. Step 6: Final answer
    x = 288,880.94

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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.