Home / 889,280.75-1,334,105.51-356,843.31

Finding the Fourth Proportional to 889,280.75, 1,334,105.51 and 356,843.31

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Solution

The fourth proportional to 889,280.75, 1,334,105.51 and 356,843.31 is: 535,338.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,280.75 : 1,334,105.51 = 356,843.31 : x
  2. Step 2: Convert to fraction form
    889,280.75/1,334,105.51 = 356,843.31/x
  3. Step 3: Cross multiply
    889,280.75x = 1,334,105.51 × 356,843.31
  4. Step 4: Simplify right side
    889,280.75x = 476,066,626,077.64
  5. Step 5: Solve for x
    x = 476,066,626,077.64/889,280.75
  6. Step 6: Final answer
    x = 535,338.95

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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.