Home / 889,639.39-1,334,865.72-484,224.26

Finding the Fourth Proportional to 889,639.39, 1,334,865.72 and 484,224.26

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Solution

The fourth proportional to 889,639.39, 1,334,865.72 and 484,224.26 is: 726,557.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,639.39 : 1,334,865.72 = 484,224.26 : x
  2. Step 2: Convert to fraction form
    889,639.39/1,334,865.72 = 484,224.26/x
  3. Step 3: Cross multiply
    889,639.39x = 1,334,865.72 × 484,224.26
  4. Step 4: Simplify right side
    889,639.39x = 646,374,365,466.37
  5. Step 5: Solve for x
    x = 646,374,365,466.37/889,639.39
  6. Step 6: Final answer
    x = 726,557.72

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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.