Home / 630,471.80-945,984.94-330,882.19

Finding the Fourth Proportional to 630,471.80, 945,984.94 and 330,882.19

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Solution

The fourth proportional to 630,471.80, 945,984.94 and 330,882.19 is: 496,468.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,471.80 : 945,984.94 = 330,882.19 : x
  2. Step 2: Convert to fraction form
    630,471.80/945,984.94 = 330,882.19/x
  3. Step 3: Cross multiply
    630,471.80x = 945,984.94 × 330,882.19
  4. Step 4: Simplify right side
    630,471.80x = 313,009,563,924.29
  5. Step 5: Solve for x
    x = 313,009,563,924.29/630,471.80
  6. Step 6: Final answer
    x = 496,468.78

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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.