Home / 889,794.29-1,334,918.94-258,708.10

Finding the Fourth Proportional to 889,794.29, 1,334,918.94 and 258,708.10

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Solution

The fourth proportional to 889,794.29, 1,334,918.94 and 258,708.10 is: 388,128.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,794.29 : 1,334,918.94 = 258,708.10 : x
  2. Step 2: Convert to fraction form
    889,794.29/1,334,918.94 = 258,708.10/x
  3. Step 3: Cross multiply
    889,794.29x = 1,334,918.94 × 258,708.10
  4. Step 4: Simplify right side
    889,794.29x = 345,354,338,313.96
  5. Step 5: Solve for x
    x = 345,354,338,313.96/889,794.29
  6. Step 6: Final answer
    x = 388,128.29

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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.