Home / 889,669.88-1,334,228.81-320,977.05

Finding the Fourth Proportional to 889,669.88, 1,334,228.81 and 320,977.05

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Solution

The fourth proportional to 889,669.88, 1,334,228.81 and 320,977.05 is: 481,366.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,669.88 : 1,334,228.81 = 320,977.05 : x
  2. Step 2: Convert to fraction form
    889,669.88/1,334,228.81 = 320,977.05/x
  3. Step 3: Cross multiply
    889,669.88x = 1,334,228.81 × 320,977.05
  4. Step 4: Simplify right side
    889,669.88x = 428,256,827,458.81
  5. Step 5: Solve for x
    x = 428,256,827,458.81/889,669.88
  6. Step 6: Final answer
    x = 481,366.00

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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.