Home / 889,323.05-1,334,021.48-258,236.86

Finding the Fourth Proportional to 889,323.05, 1,334,021.48 and 258,236.86

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Solution

The fourth proportional to 889,323.05, 1,334,021.48 and 258,236.86 is: 387,366.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,323.05 : 1,334,021.48 = 258,236.86 : x
  2. Step 2: Convert to fraction form
    889,323.05/1,334,021.48 = 258,236.86/x
  3. Step 3: Cross multiply
    889,323.05x = 1,334,021.48 × 258,236.86
  4. Step 4: Simplify right side
    889,323.05x = 344,493,516,284.90
  5. Step 5: Solve for x
    x = 344,493,516,284.90/889,323.05
  6. Step 6: Final answer
    x = 387,366.01

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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.