Home / 980,913.76-1,470,576.60-306,647.92

Finding the Fourth Proportional to 980,913.76, 1,470,576.60 and 306,647.92

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Solution

The fourth proportional to 980,913.76, 1,470,576.60 and 306,647.92 is: 459,723.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,913.76 : 1,470,576.60 = 306,647.92 : x
  2. Step 2: Convert to fraction form
    980,913.76/1,470,576.60 = 306,647.92/x
  3. Step 3: Cross multiply
    980,913.76x = 1,470,576.60 × 306,647.92
  4. Step 4: Simplify right side
    980,913.76x = 450,949,255,590.67
  5. Step 5: Solve for x
    x = 450,949,255,590.67/980,913.76
  6. Step 6: Final answer
    x = 459,723.65

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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.