Home / 889,429.14-1,334,356.20-290,391.48

Finding the Fourth Proportional to 889,429.14, 1,334,356.20 and 290,391.48

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Solution

The fourth proportional to 889,429.14, 1,334,356.20 and 290,391.48 is: 435,656.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,429.14 : 1,334,356.20 = 290,391.48 : x
  2. Step 2: Convert to fraction form
    889,429.14/1,334,356.20 = 290,391.48/x
  3. Step 3: Cross multiply
    889,429.14x = 1,334,356.20 × 290,391.48
  4. Step 4: Simplify right side
    889,429.14x = 387,485,671,765.18
  5. Step 5: Solve for x
    x = 387,485,671,765.18/889,429.14
  6. Step 6: Final answer
    x = 435,656.60

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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.