Home / 998,443.45-1,498,993.80-525,460.96

Finding the Fourth Proportional to 998,443.45, 1,498,993.80 and 525,460.96

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Solution

The fourth proportional to 998,443.45, 1,498,993.80 and 525,460.96 is: 788,890.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,443.45 : 1,498,993.80 = 525,460.96 : x
  2. Step 2: Convert to fraction form
    998,443.45/1,498,993.80 = 525,460.96/x
  3. Step 3: Cross multiply
    998,443.45x = 1,498,993.80 × 525,460.96
  4. Step 4: Simplify right side
    998,443.45x = 787,662,718,977.35
  5. Step 5: Solve for x
    x = 787,662,718,977.35/998,443.45
  6. Step 6: Final answer
    x = 788,890.67

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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.