Home / 991,286.70-1,486,931.22-271,634.46

Finding the Fourth Proportional to 991,286.70, 1,486,931.22 and 271,634.46

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Solution

The fourth proportional to 991,286.70, 1,486,931.22 and 271,634.46 is: 407,452.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,286.70 : 1,486,931.22 = 271,634.46 : x
  2. Step 2: Convert to fraction form
    991,286.70/1,486,931.22 = 271,634.46/x
  3. Step 3: Cross multiply
    991,286.70x = 1,486,931.22 × 271,634.46
  4. Step 4: Simplify right side
    991,286.70x = 403,901,759,001.84
  5. Step 5: Solve for x
    x = 403,901,759,001.84/991,286.70
  6. Step 6: Final answer
    x = 407,452.01

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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.