Home / 725,938.07-1,089,128.63-371,201.27

Finding the Fourth Proportional to 725,938.07, 1,089,128.63 and 371,201.27

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Solution

The fourth proportional to 725,938.07, 1,089,128.63 and 371,201.27 is: 556,915.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,938.07 : 1,089,128.63 = 371,201.27 : x
  2. Step 2: Convert to fraction form
    725,938.07/1,089,128.63 = 371,201.27/x
  3. Step 3: Cross multiply
    725,938.07x = 1,089,128.63 × 371,201.27
  4. Step 4: Simplify right side
    725,938.07x = 404,285,926,131.72
  5. Step 5: Solve for x
    x = 404,285,926,131.72/725,938.07
  6. Step 6: Final answer
    x = 556,915.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.