Home / 874,618.85-1,308,965.69-537,873.09

Finding the Fourth Proportional to 874,618.85, 1,308,965.69 and 537,873.09

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Solution

The fourth proportional to 874,618.85, 1,308,965.69 and 537,873.09 is: 804,987.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,618.85 : 1,308,965.69 = 537,873.09 : x
  2. Step 2: Convert to fraction form
    874,618.85/1,308,965.69 = 537,873.09/x
  3. Step 3: Cross multiply
    874,618.85x = 1,308,965.69 × 537,873.09
  4. Step 4: Simplify right side
    874,618.85x = 704,057,420,384.28
  5. Step 5: Solve for x
    x = 704,057,420,384.28/874,618.85
  6. Step 6: Final answer
    x = 804,987.71

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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.