Home / 830,277.99-1,245,418.20-231,240.87

Finding the Fourth Proportional to 830,277.99, 1,245,418.20 and 231,240.87

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Solution

The fourth proportional to 830,277.99, 1,245,418.20 and 231,240.87 is: 346,861.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,277.99 : 1,245,418.20 = 231,240.87 : x
  2. Step 2: Convert to fraction form
    830,277.99/1,245,418.20 = 231,240.87/x
  3. Step 3: Cross multiply
    830,277.99x = 1,245,418.20 × 231,240.87
  4. Step 4: Simplify right side
    830,277.99x = 287,991,588,081.83
  5. Step 5: Solve for x
    x = 287,991,588,081.83/830,277.99
  6. Step 6: Final answer
    x = 346,861.64

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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.