Home / 693,751.63-1,040,739.65-213,867.17

Finding the Fourth Proportional to 693,751.63, 1,040,739.65 and 213,867.17

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Solution

The fourth proportional to 693,751.63, 1,040,739.65 and 213,867.17 is: 320,835.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,751.63 : 1,040,739.65 = 213,867.17 : x
  2. Step 2: Convert to fraction form
    693,751.63/1,040,739.65 = 213,867.17/x
  3. Step 3: Cross multiply
    693,751.63x = 1,040,739.65 × 213,867.17
  4. Step 4: Simplify right side
    693,751.63x = 222,580,043,652.29
  5. Step 5: Solve for x
    x = 222,580,043,652.29/693,751.63
  6. Step 6: Final answer
    x = 320,835.35

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1.5x scale

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.