Home / 939,032.92-1,408,661.16-299,112

Finding the Fourth Proportional to 939,032.92, 1,408,661.16 and 299,112

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Solution

The fourth proportional to 939,032.92, 1,408,661.16 and 299,112 is: 448,703.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,032.92 : 1,408,661.16 = 299,112 : x
  2. Step 2: Convert to fraction form
    939,032.92/1,408,661.16 = 299,112/x
  3. Step 3: Cross multiply
    939,032.92x = 1,408,661.16 × 299,112
  4. Step 4: Simplify right side
    939,032.92x = 421,347,456,889.92
  5. Step 5: Solve for x
    x = 421,347,456,889.92/939,032.92
  6. Step 6: Final answer
    x = 448,703.61

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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.