Home / 784,408.46-1,082,124.15-461,964.20

Finding the Fourth Proportional to 784,408.46, 1,082,124.15 and 461,964.20

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Solution

The fourth proportional to 784,408.46, 1,082,124.15 and 461,964.20 is: 637,298.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,408.46 : 1,082,124.15 = 461,964.20 : x
  2. Step 2: Convert to fraction form
    784,408.46/1,082,124.15 = 461,964.20/x
  3. Step 3: Cross multiply
    784,408.46x = 1,082,124.15 × 461,964.20
  4. Step 4: Simplify right side
    784,408.46x = 499,902,617,255.43
  5. Step 5: Solve for x
    x = 499,902,617,255.43/784,408.46
  6. Step 6: Final answer
    x = 637,298.86

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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.