Home / 999,994.75-1,500,147.95-325,919.67

Finding the Fourth Proportional to 999,994.75, 1,500,147.95 and 325,919.67

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Solution

The fourth proportional to 999,994.75, 1,500,147.95 and 325,919.67 is: 488,930.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,994.75 : 1,500,147.95 = 325,919.67 : x
  2. Step 2: Convert to fraction form
    999,994.75/1,500,147.95 = 325,919.67/x
  3. Step 3: Cross multiply
    999,994.75x = 1,500,147.95 × 325,919.67
  4. Step 4: Simplify right side
    999,994.75x = 488,927,724,815.18
  5. Step 5: Solve for x
    x = 488,927,724,815.18/999,994.75
  6. Step 6: Final answer
    x = 488,930.29

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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.