Home / 830,667.96-1,245,469.64-350,765.78

Finding the Fourth Proportional to 830,667.96, 1,245,469.64 and 350,765.78

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Solution

The fourth proportional to 830,667.96, 1,245,469.64 and 350,765.78 is: 525,923.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,667.96 : 1,245,469.64 = 350,765.78 : x
  2. Step 2: Convert to fraction form
    830,667.96/1,245,469.64 = 350,765.78/x
  3. Step 3: Cross multiply
    830,667.96x = 1,245,469.64 × 350,765.78
  4. Step 4: Simplify right side
    830,667.96x = 436,868,121,759.74
  5. Step 5: Solve for x
    x = 436,868,121,759.74/830,667.96
  6. Step 6: Final answer
    x = 525,923.89

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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.