Home / 923,889.72-1,385,837.79-284,189.12

Finding the Fourth Proportional to 923,889.72, 1,385,837.79 and 284,189.12

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Solution

The fourth proportional to 923,889.72, 1,385,837.79 and 284,189.12 is: 426,284.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,889.72 : 1,385,837.79 = 284,189.12 : x
  2. Step 2: Convert to fraction form
    923,889.72/1,385,837.79 = 284,189.12/x
  3. Step 3: Cross multiply
    923,889.72x = 1,385,837.79 × 284,189.12
  4. Step 4: Simplify right side
    923,889.72x = 393,840,016,139.37
  5. Step 5: Solve for x
    x = 393,840,016,139.37/923,889.72
  6. Step 6: Final answer
    x = 426,284.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.