Home / 889,525.56-1,334,370.36-290,489.85

Finding the Fourth Proportional to 889,525.56, 1,334,370.36 and 290,489.85

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Solution

The fourth proportional to 889,525.56, 1,334,370.36 and 290,489.85 is: 435,761.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,525.56 : 1,334,370.36 = 290,489.85 : x
  2. Step 2: Convert to fraction form
    889,525.56/1,334,370.36 = 290,489.85/x
  3. Step 3: Cross multiply
    889,525.56x = 1,334,370.36 × 290,489.85
  4. Step 4: Simplify right side
    889,525.56x = 387,621,048,929.09
  5. Step 5: Solve for x
    x = 387,621,048,929.09/889,525.56
  6. Step 6: Final answer
    x = 435,761.57

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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.