Home / 770,597.28-1,063,637.92-448,369.60

Finding the Fourth Proportional to 770,597.28, 1,063,637.92 and 448,369.60

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Solution

The fourth proportional to 770,597.28, 1,063,637.92 and 448,369.60 is: 618,874.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,597.28 : 1,063,637.92 = 448,369.60 : x
  2. Step 2: Convert to fraction form
    770,597.28/1,063,637.92 = 448,369.60/x
  3. Step 3: Cross multiply
    770,597.28x = 1,063,637.92 × 448,369.60
  4. Step 4: Simplify right side
    770,597.28x = 476,902,908,735.23
  5. Step 5: Solve for x
    x = 476,902,908,735.23/770,597.28
  6. Step 6: Final answer
    x = 618,874.37

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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.