Home / 899,872.52-1,241,857.23-492,001.52

Finding the Fourth Proportional to 899,872.52, 1,241,857.23 and 492,001.52

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Solution

The fourth proportional to 899,872.52, 1,241,857.23 and 492,001.52 is: 678,980.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,872.52 : 1,241,857.23 = 492,001.52 : x
  2. Step 2: Convert to fraction form
    899,872.52/1,241,857.23 = 492,001.52/x
  3. Step 3: Cross multiply
    899,872.52x = 1,241,857.23 × 492,001.52
  4. Step 4: Simplify right side
    899,872.52x = 610,995,644,782.99
  5. Step 5: Solve for x
    x = 610,995,644,782.99/899,872.52
  6. Step 6: Final answer
    x = 678,980.22

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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.