Home / 788,255.20-1,087,793.22-448,723

Finding the Fourth Proportional to 788,255.20, 1,087,793.22 and 448,723

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Solution

The fourth proportional to 788,255.20, 1,087,793.22 and 448,723 is: 619,238.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,255.20 : 1,087,793.22 = 448,723 : x
  2. Step 2: Convert to fraction form
    788,255.20/1,087,793.22 = 448,723/x
  3. Step 3: Cross multiply
    788,255.20x = 1,087,793.22 × 448,723
  4. Step 4: Simplify right side
    788,255.20x = 488,117,837,058.06
  5. Step 5: Solve for x
    x = 488,117,837,058.06/788,255.20
  6. Step 6: Final answer
    x = 619,238.33

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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.