Home / 627,400.04-938,636.53-484,163.15

Finding the Fourth Proportional to 627,400.04, 938,636.53 and 484,163.15

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Solution

The fourth proportional to 627,400.04, 938,636.53 and 484,163.15 is: 724,343.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,400.04 : 938,636.53 = 484,163.15 : x
  2. Step 2: Convert to fraction form
    627,400.04/938,636.53 = 484,163.15/x
  3. Step 3: Cross multiply
    627,400.04x = 938,636.53 × 484,163.15
  4. Step 4: Simplify right side
    627,400.04x = 454,453,213,166.28
  5. Step 5: Solve for x
    x = 454,453,213,166.28/627,400.04
  6. Step 6: Final answer
    x = 724,343.62

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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.