Home / 817,667.99-1,226,405.39-218,675.57

Finding the Fourth Proportional to 817,667.99, 1,226,405.39 and 218,675.57

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Solution

The fourth proportional to 817,667.99, 1,226,405.39 and 218,675.57 is: 327,987.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,667.99 : 1,226,405.39 = 218,675.57 : x
  2. Step 2: Convert to fraction form
    817,667.99/1,226,405.39 = 218,675.57/x
  3. Step 3: Cross multiply
    817,667.99x = 1,226,405.39 × 218,675.57
  4. Step 4: Simplify right side
    817,667.99x = 268,184,902,984.29
  5. Step 5: Solve for x
    x = 268,184,902,984.29/817,667.99
  6. Step 6: Final answer
    x = 327,987.53

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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.