Home / 817,307.42-1,226,147.69-248,769.09

Finding the Fourth Proportional to 817,307.42, 1,226,147.69 and 248,769.09

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Solution

The fourth proportional to 817,307.42, 1,226,147.69 and 248,769.09 is: 373,210.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,307.42 : 1,226,147.69 = 248,769.09 : x
  2. Step 2: Convert to fraction form
    817,307.42/1,226,147.69 = 248,769.09/x
  3. Step 3: Cross multiply
    817,307.42x = 1,226,147.69 × 248,769.09
  4. Step 4: Simplify right side
    817,307.42x = 305,027,645,668.83
  5. Step 5: Solve for x
    x = 305,027,645,668.83/817,307.42
  6. Step 6: Final answer
    x = 373,210.42

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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.