Home / 889,538.18-1,227,564.59-481,644.86

Finding the Fourth Proportional to 889,538.18, 1,227,564.59 and 481,644.86

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Solution

The fourth proportional to 889,538.18, 1,227,564.59 and 481,644.86 is: 664,670.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,538.18 : 1,227,564.59 = 481,644.86 : x
  2. Step 2: Convert to fraction form
    889,538.18/1,227,564.59 = 481,644.86/x
  3. Step 3: Cross multiply
    889,538.18x = 1,227,564.59 × 481,644.86
  4. Step 4: Simplify right side
    889,538.18x = 591,250,166,545.46
  5. Step 5: Solve for x
    x = 591,250,166,545.46/889,538.18
  6. Step 6: Final answer
    x = 664,670.93

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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.