Home / 877,548.80-1,315,286.40-655,673.60

Finding the Fourth Proportional to 877,548.80, 1,315,286.40 and 655,673.60

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Solution

The fourth proportional to 877,548.80, 1,315,286.40 and 655,673.60 is: 982,735.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,548.80 : 1,315,286.40 = 655,673.60 : x
  2. Step 2: Convert to fraction form
    877,548.80/1,315,286.40 = 655,673.60/x
  3. Step 3: Cross multiply
    877,548.80x = 1,315,286.40 × 655,673.60
  4. Step 4: Simplify right side
    877,548.80x = 862,398,568,919.04
  5. Step 5: Solve for x
    x = 862,398,568,919.04/877,548.80
  6. Step 6: Final answer
    x = 982,735.74

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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.