Home / 889,796.31-1,334,866.19-290,596.38

Finding the Fourth Proportional to 889,796.31, 1,334,866.19 and 290,596.38

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Solution

The fourth proportional to 889,796.31, 1,334,866.19 and 290,596.38 is: 435,950.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,796.31 : 1,334,866.19 = 290,596.38 : x
  2. Step 2: Convert to fraction form
    889,796.31/1,334,866.19 = 290,596.38/x
  3. Step 3: Cross multiply
    889,796.31x = 1,334,866.19 × 290,596.38
  4. Step 4: Simplify right side
    889,796.31x = 387,907,281,145.41
  5. Step 5: Solve for x
    x = 387,907,281,145.41/889,796.31
  6. Step 6: Final answer
    x = 435,950.65

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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.