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Finding the Fourth Proportional to 627,362.42, 865,762.83 and 340,883.64

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Solution

The fourth proportional to 627,362.42, 865,762.83 and 340,883.64 is: 470,420.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,362.42 : 865,762.83 = 340,883.64 : x
  2. Step 2: Convert to fraction form
    627,362.42/865,762.83 = 340,883.64/x
  3. Step 3: Cross multiply
    627,362.42x = 865,762.83 × 340,883.64
  4. Step 4: Simplify right side
    627,362.42x = 295,124,384,867.10
  5. Step 5: Solve for x
    x = 295,124,384,867.10/627,362.42
  6. Step 6: Final answer
    x = 470,420.89

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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.