Home / 784,374.79-1,082,416.20-444,835.75

Finding the Fourth Proportional to 784,374.79, 1,082,416.20 and 444,835.75

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Solution

The fourth proportional to 784,374.79, 1,082,416.20 and 444,835.75 is: 613,861.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,374.79 : 1,082,416.20 = 444,835.75 : x
  2. Step 2: Convert to fraction form
    784,374.79/1,082,416.20 = 444,835.75/x
  3. Step 3: Cross multiply
    784,374.79x = 1,082,416.20 × 444,835.75
  4. Step 4: Simplify right side
    784,374.79x = 481,497,422,139.15
  5. Step 5: Solve for x
    x = 481,497,422,139.15/784,374.79
  6. Step 6: Final answer
    x = 613,861.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.