Home / 998,736.84-1,498,178.16-288,768.60

Finding the Fourth Proportional to 998,736.84, 1,498,178.16 and 288,768.60

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Solution

The fourth proportional to 998,736.84, 1,498,178.16 and 288,768.60 is: 433,173.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,736.84 : 1,498,178.16 = 288,768.60 : x
  2. Step 2: Convert to fraction form
    998,736.84/1,498,178.16 = 288,768.60/x
  3. Step 3: Cross multiply
    998,736.84x = 1,498,178.16 × 288,768.60
  4. Step 4: Simplify right side
    998,736.84x = 432,626,809,813.78
  5. Step 5: Solve for x
    x = 432,626,809,813.78/998,736.84
  6. Step 6: Final answer
    x = 433,173.98

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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.