Home / 980,459.85-1,470,690.92-306,544.68

Finding the Fourth Proportional to 980,459.85, 1,470,690.92 and 306,544.68

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Solution

The fourth proportional to 980,459.85, 1,470,690.92 and 306,544.68 is: 459,817.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,459.85 : 1,470,690.92 = 306,544.68 : x
  2. Step 2: Convert to fraction form
    980,459.85/1,470,690.92 = 306,544.68/x
  3. Step 3: Cross multiply
    980,459.85x = 1,470,690.92 × 306,544.68
  4. Step 4: Simplify right side
    980,459.85x = 450,832,477,450.31
  5. Step 5: Solve for x
    x = 450,832,477,450.31/980,459.85
  6. Step 6: Final answer
    x = 459,817.38

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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.