Home / 810,288.51-1,118,100.92-447,690.03

Finding the Fourth Proportional to 810,288.51, 1,118,100.92 and 447,690.03

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Solution

The fourth proportional to 810,288.51, 1,118,100.92 and 447,690.03 is: 617,758.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,288.51 : 1,118,100.92 = 447,690.03 : x
  2. Step 2: Convert to fraction form
    810,288.51/1,118,100.92 = 447,690.03/x
  3. Step 3: Cross multiply
    810,288.51x = 1,118,100.92 × 447,690.03
  4. Step 4: Simplify right side
    810,288.51x = 500,562,632,179.38
  5. Step 5: Solve for x
    x = 500,562,632,179.38/810,288.51
  6. Step 6: Final answer
    x = 617,758.52

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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.