Home / 762,993.64-1,144,664.61-330,783.58

Finding the Fourth Proportional to 762,993.64, 1,144,664.61 and 330,783.58

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Solution

The fourth proportional to 762,993.64, 1,144,664.61 and 330,783.58 is: 496,250.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,993.64 : 1,144,664.61 = 330,783.58 : x
  2. Step 2: Convert to fraction form
    762,993.64/1,144,664.61 = 330,783.58/x
  3. Step 3: Cross multiply
    762,993.64x = 1,144,664.61 × 330,783.58
  4. Step 4: Simplify right side
    762,993.64x = 378,636,257,595.10
  5. Step 5: Solve for x
    x = 378,636,257,595.10/762,993.64
  6. Step 6: Final answer
    x = 496,250.87

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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.