Home / 889,234.69-1,334,064.35-290,196.96

Finding the Fourth Proportional to 889,234.69, 1,334,064.35 and 290,196.96

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Solution

The fourth proportional to 889,234.69, 1,334,064.35 and 290,196.96 is: 435,364.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,234.69 : 1,334,064.35 = 290,196.96 : x
  2. Step 2: Convert to fraction form
    889,234.69/1,334,064.35 = 290,196.96/x
  3. Step 3: Cross multiply
    889,234.69x = 1,334,064.35 × 290,196.96
  4. Step 4: Simplify right side
    889,234.69x = 387,141,419,539.87
  5. Step 5: Solve for x
    x = 387,141,419,539.87/889,234.69
  6. Step 6: Final answer
    x = 435,364.73

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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.