Home / 889,796.36-1,334,824.68-258,628.16

Finding the Fourth Proportional to 889,796.36, 1,334,824.68 and 258,628.16

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Solution

The fourth proportional to 889,796.36, 1,334,824.68 and 258,628.16 is: 387,980.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,796.36 : 1,334,824.68 = 258,628.16 : x
  2. Step 2: Convert to fraction form
    889,796.36/1,334,824.68 = 258,628.16/x
  3. Step 3: Cross multiply
    889,796.36x = 1,334,824.68 × 258,628.16
  4. Step 4: Simplify right side
    889,796.36x = 345,223,250,910.99
  5. Step 5: Solve for x
    x = 345,223,250,910.99/889,796.36
  6. Step 6: Final answer
    x = 387,980.07

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1.5x scale

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.