Home / 987,499.59-1,481,300.63-313,633.64

Finding the Fourth Proportional to 987,499.59, 1,481,300.63 and 313,633.64

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Solution

The fourth proportional to 987,499.59, 1,481,300.63 and 313,633.64 is: 470,466.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,499.59 : 1,481,300.63 = 313,633.64 : x
  2. Step 2: Convert to fraction form
    987,499.59/1,481,300.63 = 313,633.64/x
  3. Step 3: Cross multiply
    987,499.59x = 1,481,300.63 × 313,633.64
  4. Step 4: Simplify right side
    987,499.59x = 464,585,699,546.52
  5. Step 5: Solve for x
    x = 464,585,699,546.52/987,499.59
  6. Step 6: Final answer
    x = 470,466.73

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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.