Home / 984,884.64-1,359,121.68-555,156.60

Finding the Fourth Proportional to 984,884.64, 1,359,121.68 and 555,156.60

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Solution

The fourth proportional to 984,884.64, 1,359,121.68 and 555,156.60 is: 766,105.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,884.64 : 1,359,121.68 = 555,156.60 : x
  2. Step 2: Convert to fraction form
    984,884.64/1,359,121.68 = 555,156.60/x
  3. Step 3: Cross multiply
    984,884.64x = 1,359,121.68 × 555,156.60
  4. Step 4: Simplify right side
    984,884.64x = 754,525,370,855.09
  5. Step 5: Solve for x
    x = 754,525,370,855.09/984,884.64
  6. Step 6: Final answer
    x = 766,105.33

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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.