Home / 889,844.40-1,334,912.04-290,631.60

Finding the Fourth Proportional to 889,844.40, 1,334,912.04 and 290,631.60

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Solution

The fourth proportional to 889,844.40, 1,334,912.04 and 290,631.60 is: 435,994.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,844.40 : 1,334,912.04 = 290,631.60 : x
  2. Step 2: Convert to fraction form
    889,844.40/1,334,912.04 = 290,631.60/x
  3. Step 3: Cross multiply
    889,844.40x = 1,334,912.04 × 290,631.60
  4. Step 4: Simplify right side
    889,844.40x = 387,967,622,044.46
  5. Step 5: Solve for x
    x = 387,967,622,044.46/889,844.40
  6. Step 6: Final answer
    x = 435,994.90

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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.