Home / 513,286.08-770,060.32-213,667.04

Finding the Fourth Proportional to 513,286.08, 770,060.32 and 213,667.04

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Solution

The fourth proportional to 513,286.08, 770,060.32 and 213,667.04 is: 320,555.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,286.08 : 770,060.32 = 213,667.04 : x
  2. Step 2: Convert to fraction form
    513,286.08/770,060.32 = 213,667.04/x
  3. Step 3: Cross multiply
    513,286.08x = 770,060.32 × 213,667.04
  4. Step 4: Simplify right side
    513,286.08x = 164,536,509,195.85
  5. Step 5: Solve for x
    x = 164,536,509,195.85/513,286.08
  6. Step 6: Final answer
    x = 320,555.17

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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.