Home / 578,267.88-797,939.21-320,125.34

Finding the Fourth Proportional to 578,267.88, 797,939.21 and 320,125.34

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Solution

The fourth proportional to 578,267.88, 797,939.21 and 320,125.34 is: 441,733.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,267.88 : 797,939.21 = 320,125.34 : x
  2. Step 2: Convert to fraction form
    578,267.88/797,939.21 = 320,125.34/x
  3. Step 3: Cross multiply
    578,267.88x = 797,939.21 × 320,125.34
  4. Step 4: Simplify right side
    578,267.88x = 255,440,555,310.26
  5. Step 5: Solve for x
    x = 255,440,555,310.26/578,267.88
  6. Step 6: Final answer
    x = 441,733.95

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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.