Home / 627,015.32-865,280.94-340,535.48

Finding the Fourth Proportional to 627,015.32, 865,280.94 and 340,535.48

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Solution

The fourth proportional to 627,015.32, 865,280.94 and 340,535.48 is: 469,938.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,015.32 : 865,280.94 = 340,535.48 : x
  2. Step 2: Convert to fraction form
    627,015.32/865,280.94 = 340,535.48/x
  3. Step 3: Cross multiply
    627,015.32x = 865,280.94 × 340,535.48
  4. Step 4: Simplify right side
    627,015.32x = 294,658,860,237.75
  5. Step 5: Solve for x
    x = 294,658,860,237.75/627,015.32
  6. Step 6: Final answer
    x = 469,938.85

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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.