Home / 817,212.36-1,225,554.60-297,813.54

Finding the Fourth Proportional to 817,212.36, 1,225,554.60 and 297,813.54

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Solution

The fourth proportional to 817,212.36, 1,225,554.60 and 297,813.54 is: 446,624.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,212.36 : 1,225,554.60 = 297,813.54 : x
  2. Step 2: Convert to fraction form
    817,212.36/1,225,554.60 = 297,813.54/x
  3. Step 3: Cross multiply
    817,212.36x = 1,225,554.60 × 297,813.54
  4. Step 4: Simplify right side
    817,212.36x = 364,986,753,889.28
  5. Step 5: Solve for x
    x = 364,986,753,889.28/817,212.36
  6. Step 6: Final answer
    x = 446,624.12

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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.