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Finding the Fourth Proportional to 627,368.25, 865,772.24 and 340,888.26

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Solution

The fourth proportional to 627,368.25, 865,772.24 and 340,888.26 is: 470,428.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,368.25 : 865,772.24 = 340,888.26 : x
  2. Step 2: Convert to fraction form
    627,368.25/865,772.24 = 340,888.26/x
  3. Step 3: Cross multiply
    627,368.25x = 865,772.24 × 340,888.26
  4. Step 4: Simplify right side
    627,368.25x = 295,131,590,745.46
  5. Step 5: Solve for x
    x = 295,131,590,745.46/627,368.25
  6. Step 6: Final answer
    x = 470,428.00

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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.