Home / 674,951.31-1,009,939.18-405,243.37

Finding the Fourth Proportional to 674,951.31, 1,009,939.18 and 405,243.37

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Solution

The fourth proportional to 674,951.31, 1,009,939.18 and 405,243.37 is: 606,371.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,951.31 : 1,009,939.18 = 405,243.37 : x
  2. Step 2: Convert to fraction form
    674,951.31/1,009,939.18 = 405,243.37/x
  3. Step 3: Cross multiply
    674,951.31x = 1,009,939.18 × 405,243.37
  4. Step 4: Simplify right side
    674,951.31x = 409,271,156,798.24
  5. Step 5: Solve for x
    x = 409,271,156,798.24/674,951.31
  6. Step 6: Final answer
    x = 606,371.38

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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.