Home / 889,490.49-1,227,495.25-481,592.28

Finding the Fourth Proportional to 889,490.49, 1,227,495.25 and 481,592.28

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Solution

The fourth proportional to 889,490.49, 1,227,495.25 and 481,592.28 is: 664,596.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,490.49 : 1,227,495.25 = 481,592.28 : x
  2. Step 2: Convert to fraction form
    889,490.49/1,227,495.25 = 481,592.28/x
  3. Step 3: Cross multiply
    889,490.49x = 1,227,495.25 × 481,592.28
  4. Step 4: Simplify right side
    889,490.49x = 591,152,236,136.67
  5. Step 5: Solve for x
    x = 591,152,236,136.67/889,490.49
  6. Step 6: Final answer
    x = 664,596.47

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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.