Home / 998,447.40-1,497,800.70-493,266.60

Finding the Fourth Proportional to 998,447.40, 1,497,800.70 and 493,266.60

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Solution

The fourth proportional to 998,447.40, 1,497,800.70 and 493,266.60 is: 739,963.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,447.40 : 1,497,800.70 = 493,266.60 : x
  2. Step 2: Convert to fraction form
    998,447.40/1,497,800.70 = 493,266.60/x
  3. Step 3: Cross multiply
    998,447.40x = 1,497,800.70 × 493,266.60
  4. Step 4: Simplify right side
    998,447.40x = 738,815,058,766.62
  5. Step 5: Solve for x
    x = 738,815,058,766.62/998,447.40
  6. Step 6: Final answer
    x = 739,963.93

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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.