Home / 980,459.59-1,470,690.54-306,544.42

Finding the Fourth Proportional to 980,459.59, 1,470,690.54 and 306,544.42

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Solution

The fourth proportional to 980,459.59, 1,470,690.54 and 306,544.42 is: 459,816.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,459.59 : 1,470,690.54 = 306,544.42 : x
  2. Step 2: Convert to fraction form
    980,459.59/1,470,690.54 = 306,544.42/x
  3. Step 3: Cross multiply
    980,459.59x = 1,470,690.54 × 306,544.42
  4. Step 4: Simplify right side
    980,459.59x = 450,831,978,583.79
  5. Step 5: Solve for x
    x = 450,831,978,583.79/980,459.59
  6. Step 6: Final answer
    x = 459,816.99

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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.