Home / 889,217.98-1,334,039.16-290,180.25

Finding the Fourth Proportional to 889,217.98, 1,334,039.16 and 290,180.25

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Solution

The fourth proportional to 889,217.98, 1,334,039.16 and 290,180.25 is: 435,339.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,217.98 : 1,334,039.16 = 290,180.25 : x
  2. Step 2: Convert to fraction form
    889,217.98/1,334,039.16 = 290,180.25/x
  3. Step 3: Cross multiply
    889,217.98x = 1,334,039.16 × 290,180.25
  4. Step 4: Simplify right side
    889,217.98x = 387,111,816,958.59
  5. Step 5: Solve for x
    x = 387,111,816,958.59/889,217.98
  6. Step 6: Final answer
    x = 435,339.62

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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.