Home / 747,947.94-1,122,556.05-298,985.82

Finding the Fourth Proportional to 747,947.94, 1,122,556.05 and 298,985.82

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Solution

The fourth proportional to 747,947.94, 1,122,556.05 and 298,985.82 is: 448,732.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,947.94 : 1,122,556.05 = 298,985.82 : x
  2. Step 2: Convert to fraction form
    747,947.94/1,122,556.05 = 298,985.82/x
  3. Step 3: Cross multiply
    747,947.94x = 1,122,556.05 × 298,985.82
  4. Step 4: Simplify right side
    747,947.94x = 335,628,341,105.21
  5. Step 5: Solve for x
    x = 335,628,341,105.21/747,947.94
  6. Step 6: Final answer
    x = 448,732.22

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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.