Home / 913,050.36-1,368,453.83-512,849.88

Finding the Fourth Proportional to 913,050.36, 1,368,453.83 and 512,849.88

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Solution

The fourth proportional to 913,050.36, 1,368,453.83 and 512,849.88 is: 768,644.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,050.36 : 1,368,453.83 = 512,849.88 : x
  2. Step 2: Convert to fraction form
    913,050.36/1,368,453.83 = 512,849.88/x
  3. Step 3: Cross multiply
    913,050.36x = 1,368,453.83 × 512,849.88
  4. Step 4: Simplify right side
    913,050.36x = 701,811,379,936.79
  5. Step 5: Solve for x
    x = 701,811,379,936.79/913,050.36
  6. Step 6: Final answer
    x = 768,644.77

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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.