Home / 889,532.41-1,334,380.64-290,496.71

Finding the Fourth Proportional to 889,532.41, 1,334,380.64 and 290,496.71

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Solution

The fourth proportional to 889,532.41, 1,334,380.64 and 290,496.71 is: 435,771.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,532.41 : 1,334,380.64 = 290,496.71 : x
  2. Step 2: Convert to fraction form
    889,532.41/1,334,380.64 = 290,496.71/x
  3. Step 3: Cross multiply
    889,532.41x = 1,334,380.64 × 290,496.71
  4. Step 4: Simplify right side
    889,532.41x = 387,633,185,807.69
  5. Step 5: Solve for x
    x = 387,633,185,807.69/889,532.41
  6. Step 6: Final answer
    x = 435,771.85

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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.