Home / 891,067.60-1,336,601.40-418,675.60

Finding the Fourth Proportional to 891,067.60, 1,336,601.40 and 418,675.60

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Solution

The fourth proportional to 891,067.60, 1,336,601.40 and 418,675.60 is: 628,013.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,067.60 : 1,336,601.40 = 418,675.60 : x
  2. Step 2: Convert to fraction form
    891,067.60/1,336,601.40 = 418,675.60/x
  3. Step 3: Cross multiply
    891,067.60x = 1,336,601.40 × 418,675.60
  4. Step 4: Simplify right side
    891,067.60x = 559,602,393,105.84
  5. Step 5: Solve for x
    x = 559,602,393,105.84/891,067.60
  6. Step 6: Final answer
    x = 628,013.40

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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.