Home / 644,429.64-966,917.82-344,832.50

Finding the Fourth Proportional to 644,429.64, 966,917.82 and 344,832.50

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Solution

The fourth proportional to 644,429.64, 966,917.82 and 344,832.50 is: 517,395.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,429.64 : 966,917.82 = 344,832.50 : x
  2. Step 2: Convert to fraction form
    644,429.64/966,917.82 = 344,832.50/x
  3. Step 3: Cross multiply
    644,429.64x = 966,917.82 × 344,832.50
  4. Step 4: Simplify right side
    644,429.64x = 333,424,689,165.15
  5. Step 5: Solve for x
    x = 333,424,689,165.15/644,429.64
  6. Step 6: Final answer
    x = 517,395.02

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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.