Home / 889,447.77-1,227,438.72-481,549.91

Finding the Fourth Proportional to 889,447.77, 1,227,438.72 and 481,549.91

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Solution

The fourth proportional to 889,447.77, 1,227,438.72 and 481,549.91 is: 664,539.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,447.77 : 1,227,438.72 = 481,549.91 : x
  2. Step 2: Convert to fraction form
    889,447.77/1,227,438.72 = 481,549.91/x
  3. Step 3: Cross multiply
    889,447.77x = 1,227,438.72 × 481,549.91
  4. Step 4: Simplify right side
    889,447.77x = 591,072,999,009.32
  5. Step 5: Solve for x
    x = 591,072,999,009.32/889,447.77
  6. Step 6: Final answer
    x = 664,539.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.