Home / 790,245.21-1,090,539.77-427,669.37

Finding the Fourth Proportional to 790,245.21, 1,090,539.77 and 427,669.37

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Solution

The fourth proportional to 790,245.21, 1,090,539.77 and 427,669.37 is: 590,184.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,245.21 : 1,090,539.77 = 427,669.37 : x
  2. Step 2: Convert to fraction form
    790,245.21/1,090,539.77 = 427,669.37/x
  3. Step 3: Cross multiply
    790,245.21x = 1,090,539.77 × 427,669.37
  4. Step 4: Simplify right side
    790,245.21x = 466,390,456,395.85
  5. Step 5: Solve for x
    x = 466,390,456,395.85/790,245.21
  6. Step 6: Final answer
    x = 590,184.48

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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.