Home / 889,836.36-1,334,884.68-258,668.16

Finding the Fourth Proportional to 889,836.36, 1,334,884.68 and 258,668.16

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Solution

The fourth proportional to 889,836.36, 1,334,884.68 and 258,668.16 is: 388,040.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,836.36 : 1,334,884.68 = 258,668.16 : x
  2. Step 2: Convert to fraction form
    889,836.36/1,334,884.68 = 258,668.16/x
  3. Step 3: Cross multiply
    889,836.36x = 1,334,884.68 × 258,668.16
  4. Step 4: Simplify right side
    889,836.36x = 345,292,163,987.79
  5. Step 5: Solve for x
    x = 345,292,163,987.79/889,836.36
  6. Step 6: Final answer
    x = 388,040.07

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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.