Home / 805,480.20-1,111,566.69-442,927.44

Finding the Fourth Proportional to 805,480.20, 1,111,566.69 and 442,927.44

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Solution

The fourth proportional to 805,480.20, 1,111,566.69 and 442,927.44 is: 611,242.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,480.20 : 1,111,566.69 = 442,927.44 : x
  2. Step 2: Convert to fraction form
    805,480.20/1,111,566.69 = 442,927.44/x
  3. Step 3: Cross multiply
    805,480.20x = 1,111,566.69 × 442,927.44
  4. Step 4: Simplify right side
    805,480.20x = 492,343,388,390.97
  5. Step 5: Solve for x
    x = 492,343,388,390.97/805,480.20
  6. Step 6: Final answer
    x = 611,242.07

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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.