Home / 998,450.40-1,497,805.20-493,269.60

Finding the Fourth Proportional to 998,450.40, 1,497,805.20 and 493,269.60

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Solution

The fourth proportional to 998,450.40, 1,497,805.20 and 493,269.60 is: 739,968.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,450.40 : 1,497,805.20 = 493,269.60 : x
  2. Step 2: Convert to fraction form
    998,450.40/1,497,805.20 = 493,269.60/x
  3. Step 3: Cross multiply
    998,450.40x = 1,497,805.20 × 493,269.60
  4. Step 4: Simplify right side
    998,450.40x = 738,821,771,881.92
  5. Step 5: Solve for x
    x = 738,821,771,881.92/998,450.40
  6. Step 6: Final answer
    x = 739,968.43

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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.