Home / 980,463.42-1,470,779.85-270,491.46

Finding the Fourth Proportional to 980,463.42, 1,470,779.85 and 270,491.46

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Solution

The fourth proportional to 980,463.42, 1,470,779.85 and 270,491.46 is: 405,760.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,463.42 : 1,470,779.85 = 270,491.46 : x
  2. Step 2: Convert to fraction form
    980,463.42/1,470,779.85 = 270,491.46/x
  3. Step 3: Cross multiply
    980,463.42x = 1,470,779.85 × 270,491.46
  4. Step 4: Simplify right side
    980,463.42x = 397,833,392,483.55
  5. Step 5: Solve for x
    x = 397,833,392,483.55/980,463.42
  6. Step 6: Final answer
    x = 405,760.57

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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.