Home / 885,667.68-1,328,522.04-317,087.64

Finding the Fourth Proportional to 885,667.68, 1,328,522.04 and 317,087.64

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Solution

The fourth proportional to 885,667.68, 1,328,522.04 and 317,087.64 is: 475,638.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,667.68 : 1,328,522.04 = 317,087.64 : x
  2. Step 2: Convert to fraction form
    885,667.68/1,328,522.04 = 317,087.64/x
  3. Step 3: Cross multiply
    885,667.68x = 1,328,522.04 × 317,087.64
  4. Step 4: Simplify right side
    885,667.68x = 421,257,918,351.59
  5. Step 5: Solve for x
    x = 421,257,918,351.59/885,667.68
  6. Step 6: Final answer
    x = 475,638.81

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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.