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Finding the Fourth Proportional to 444,579.63, 613,352.44 and 291,702.17

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Solution

The fourth proportional to 444,579.63, 613,352.44 and 291,702.17 is: 402,439.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,579.63 : 613,352.44 = 291,702.17 : x
  2. Step 2: Convert to fraction form
    444,579.63/613,352.44 = 291,702.17/x
  3. Step 3: Cross multiply
    444,579.63x = 613,352.44 × 291,702.17
  4. Step 4: Simplify right side
    444,579.63x = 178,916,237,722.80
  5. Step 5: Solve for x
    x = 178,916,237,722.80/444,579.63
  6. Step 6: Final answer
    x = 402,439.13

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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.