Home / 980,183.84-1,470,479.76-306,237.92

Finding the Fourth Proportional to 980,183.84, 1,470,479.76 and 306,237.92

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Solution

The fourth proportional to 980,183.84, 1,470,479.76 and 306,237.92 is: 459,420.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,183.84 : 1,470,479.76 = 306,237.92 : x
  2. Step 2: Convert to fraction form
    980,183.84/1,470,479.76 = 306,237.92/x
  3. Step 3: Cross multiply
    980,183.84x = 1,470,479.76 × 306,237.92
  4. Step 4: Simplify right side
    980,183.84x = 450,316,663,104.50
  5. Step 5: Solve for x
    x = 450,316,663,104.50/980,183.84
  6. Step 6: Final answer
    x = 459,420.62

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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.