Home / 980,459.60-1,470,690.55-306,544.44

Finding the Fourth Proportional to 980,459.60, 1,470,690.55 and 306,544.44

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Solution

The fourth proportional to 980,459.60, 1,470,690.55 and 306,544.44 is: 459,817.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,459.60 : 1,470,690.55 = 306,544.44 : x
  2. Step 2: Convert to fraction form
    980,459.60/1,470,690.55 = 306,544.44/x
  3. Step 3: Cross multiply
    980,459.60x = 1,470,690.55 × 306,544.44
  4. Step 4: Simplify right side
    980,459.60x = 450,832,011,063.04
  5. Step 5: Solve for x
    x = 450,832,011,063.04/980,459.60
  6. Step 6: Final answer
    x = 459,817.02

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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.