Home / 509,942.10-764,257.05-310,050.30

Finding the Fourth Proportional to 509,942.10, 764,257.05 and 310,050.30

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Solution

The fourth proportional to 509,942.10, 764,257.05 and 310,050.30 is: 464,676.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,942.10 : 764,257.05 = 310,050.30 : x
  2. Step 2: Convert to fraction form
    509,942.10/764,257.05 = 310,050.30/x
  3. Step 3: Cross multiply
    509,942.10x = 764,257.05 × 310,050.30
  4. Step 4: Simplify right side
    509,942.10x = 236,958,127,629.62
  5. Step 5: Solve for x
    x = 236,958,127,629.62/509,942.10
  6. Step 6: Final answer
    x = 464,676.53

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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.