Home / 889,633.46-1,334,490.24-290,631.14

Finding the Fourth Proportional to 889,633.46, 1,334,490.24 and 290,631.14

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Solution

The fourth proportional to 889,633.46, 1,334,490.24 and 290,631.14 is: 435,959.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,633.46 : 1,334,490.24 = 290,631.14 : x
  2. Step 2: Convert to fraction form
    889,633.46/1,334,490.24 = 290,631.14/x
  3. Step 3: Cross multiply
    889,633.46x = 1,334,490.24 × 290,631.14
  4. Step 4: Simplify right side
    889,633.46x = 387,844,419,770.07
  5. Step 5: Solve for x
    x = 387,844,419,770.07/889,633.46
  6. Step 6: Final answer
    x = 435,959.79

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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.