Home / 889,779.83-1,227,890.02-481,872.34

Finding the Fourth Proportional to 889,779.83, 1,227,890.02 and 481,872.34

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Solution

The fourth proportional to 889,779.83, 1,227,890.02 and 481,872.34 is: 664,980.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,779.83 : 1,227,890.02 = 481,872.34 : x
  2. Step 2: Convert to fraction form
    889,779.83/1,227,890.02 = 481,872.34/x
  3. Step 3: Cross multiply
    889,779.83x = 1,227,890.02 × 481,872.34
  4. Step 4: Simplify right side
    889,779.83x = 591,686,228,651.24
  5. Step 5: Solve for x
    x = 591,686,228,651.24/889,779.83
  6. Step 6: Final answer
    x = 664,980.49

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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.