Home / 889,795.04-1,334,920.07-258,708.85

Finding the Fourth Proportional to 889,795.04, 1,334,920.07 and 258,708.85

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Solution

The fourth proportional to 889,795.04, 1,334,920.07 and 258,708.85 is: 388,129.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,795.04 : 1,334,920.07 = 258,708.85 : x
  2. Step 2: Convert to fraction form
    889,795.04/1,334,920.07 = 258,708.85/x
  3. Step 3: Cross multiply
    889,795.04x = 1,334,920.07 × 258,708.85
  4. Step 4: Simplify right side
    889,795.04x = 345,355,631,520.78
  5. Step 5: Solve for x
    x = 345,355,631,520.78/889,795.04
  6. Step 6: Final answer
    x = 388,129.42

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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.