Home / 898,964.08-1,240,549.99-491,067.72

Finding the Fourth Proportional to 898,964.08, 1,240,549.99 and 491,067.72

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Solution

The fourth proportional to 898,964.08, 1,240,549.99 and 491,067.72 is: 677,662.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,964.08 : 1,240,549.99 = 491,067.72 : x
  2. Step 2: Convert to fraction form
    898,964.08/1,240,549.99 = 491,067.72/x
  3. Step 3: Cross multiply
    898,964.08x = 1,240,549.99 × 491,067.72
  4. Step 4: Simplify right side
    898,964.08x = 609,194,053,907.65
  5. Step 5: Solve for x
    x = 609,194,053,907.65/898,964.08
  6. Step 6: Final answer
    x = 677,662.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.