Home / 770,471.49-1,063,678.26-464,625.33

Finding the Fourth Proportional to 770,471.49, 1,063,678.26 and 464,625.33

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Solution

The fourth proportional to 770,471.49, 1,063,678.26 and 464,625.33 is: 641,440.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,471.49 : 1,063,678.26 = 464,625.33 : x
  2. Step 2: Convert to fraction form
    770,471.49/1,063,678.26 = 464,625.33/x
  3. Step 3: Cross multiply
    770,471.49x = 1,063,678.26 × 464,625.33
  4. Step 4: Simplify right side
    770,471.49x = 494,211,862,566.33
  5. Step 5: Solve for x
    x = 494,211,862,566.33/770,471.49
  6. Step 6: Final answer
    x = 641,440.82

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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.