Home / 983,222.66-1,474,853.44-309,289.70

Finding the Fourth Proportional to 983,222.66, 1,474,853.44 and 309,289.70

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Solution

The fourth proportional to 983,222.66, 1,474,853.44 and 309,289.70 is: 463,940.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,222.66 : 1,474,853.44 = 309,289.70 : x
  2. Step 2: Convert to fraction form
    983,222.66/1,474,853.44 = 309,289.70/x
  3. Step 3: Cross multiply
    983,222.66x = 1,474,853.44 × 309,289.70
  4. Step 4: Simplify right side
    983,222.66x = 456,156,978,001.57
  5. Step 5: Solve for x
    x = 456,156,978,001.57/983,222.66
  6. Step 6: Final answer
    x = 463,940.67

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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.