Home / 889,396.98-1,227,366.30-481,498.68

Finding the Fourth Proportional to 889,396.98, 1,227,366.30 and 481,498.68

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Solution

The fourth proportional to 889,396.98, 1,227,366.30 and 481,498.68 is: 664,467.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,396.98 : 1,227,366.30 = 481,498.68 : x
  2. Step 2: Convert to fraction form
    889,396.98/1,227,366.30 = 481,498.68/x
  3. Step 3: Cross multiply
    889,396.98x = 1,227,366.30 × 481,498.68
  4. Step 4: Simplify right side
    889,396.98x = 590,975,253,326.48
  5. Step 5: Solve for x
    x = 590,975,253,326.48/889,396.98
  6. Step 6: Final answer
    x = 664,467.35

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Double scale
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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.