Home / 770,501.39-1,063,198.71-443,921.22

Finding the Fourth Proportional to 770,501.39, 1,063,198.71 and 443,921.22

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Solution

The fourth proportional to 770,501.39, 1,063,198.71 and 443,921.22 is: 612,557.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,501.39 : 1,063,198.71 = 443,921.22 : x
  2. Step 2: Convert to fraction form
    770,501.39/1,063,198.71 = 443,921.22/x
  3. Step 3: Cross multiply
    770,501.39x = 1,063,198.71 × 443,921.22
  4. Step 4: Simplify right side
    770,501.39x = 471,976,468,445.63
  5. Step 5: Solve for x
    x = 471,976,468,445.63/770,501.39
  6. Step 6: Final answer
    x = 612,557.59

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1.5x scale

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.