Home / 775,501.44-1,069,754.88-453,143.04

Finding the Fourth Proportional to 775,501.44, 1,069,754.88 and 453,143.04

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Solution

The fourth proportional to 775,501.44, 1,069,754.88 and 453,143.04 is: 625,081.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,501.44 : 1,069,754.88 = 453,143.04 : x
  2. Step 2: Convert to fraction form
    775,501.44/1,069,754.88 = 453,143.04/x
  3. Step 3: Cross multiply
    775,501.44x = 1,069,754.88 × 453,143.04
  4. Step 4: Simplify right side
    775,501.44x = 484,751,978,378.04
  5. Step 5: Solve for x
    x = 484,751,978,378.04/775,501.44
  6. Step 6: Final answer
    x = 625,081.98

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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.