Home / 613,559.03-920,758.91-214,199.79

Finding the Fourth Proportional to 613,559.03, 920,758.91 and 214,199.79

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Solution

The fourth proportional to 613,559.03, 920,758.91 and 214,199.79 is: 321,446.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,559.03 : 920,758.91 = 214,199.79 : x
  2. Step 2: Convert to fraction form
    613,559.03/920,758.91 = 214,199.79/x
  3. Step 3: Cross multiply
    613,559.03x = 920,758.91 × 214,199.79
  4. Step 4: Simplify right side
    613,559.03x = 197,226,364,091.63
  5. Step 5: Solve for x
    x = 197,226,364,091.63/613,559.03
  6. Step 6: Final answer
    x = 321,446.44

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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.