Home / 785,964.52-1,179,089.34-449,384.68

Finding the Fourth Proportional to 785,964.52, 1,179,089.34 and 449,384.68

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Solution

The fourth proportional to 785,964.52, 1,179,089.34 and 449,384.68 is: 674,158.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,964.52 : 1,179,089.34 = 449,384.68 : x
  2. Step 2: Convert to fraction form
    785,964.52/1,179,089.34 = 449,384.68/x
  3. Step 3: Cross multiply
    785,964.52x = 1,179,089.34 × 449,384.68
  4. Step 4: Simplify right side
    785,964.52x = 529,864,685,747.31
  5. Step 5: Solve for x
    x = 529,864,685,747.31/785,964.52
  6. Step 6: Final answer
    x = 674,158.53

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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.