Home / 889,795.29-1,334,920.44-258,709.10

Finding the Fourth Proportional to 889,795.29, 1,334,920.44 and 258,709.10

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Solution

The fourth proportional to 889,795.29, 1,334,920.44 and 258,709.10 is: 388,129.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,795.29 : 1,334,920.44 = 258,709.10 : x
  2. Step 2: Convert to fraction form
    889,795.29/1,334,920.44 = 258,709.10/x
  3. Step 3: Cross multiply
    889,795.29x = 1,334,920.44 × 258,709.10
  4. Step 4: Simplify right side
    889,795.29x = 345,356,065,604.00
  5. Step 5: Solve for x
    x = 345,356,065,604.00/889,795.29
  6. Step 6: Final answer
    x = 388,129.80

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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.