Home / 329,619.78-493,623.27-297,671.00

Finding the Fourth Proportional to 329,619.78, 493,623.27 and 297,671.00

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Solution

The fourth proportional to 329,619.78, 493,623.27 and 297,671.00 is: 445,778.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,619.78 : 493,623.27 = 297,671.00 : x
  2. Step 2: Convert to fraction form
    329,619.78/493,623.27 = 297,671.00/x
  3. Step 3: Cross multiply
    329,619.78x = 493,623.27 × 297,671.00
  4. Step 4: Simplify right side
    329,619.78x = 146,937,329,936.05
  5. Step 5: Solve for x
    x = 146,937,329,936.05/329,619.78
  6. Step 6: Final answer
    x = 445,778.25

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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.