Home / 777,757.23-1,166,635.85-245,319.77

Finding the Fourth Proportional to 777,757.23, 1,166,635.85 and 245,319.77

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Solution

The fourth proportional to 777,757.23, 1,166,635.85 and 245,319.77 is: 367,979.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,757.23 : 1,166,635.85 = 245,319.77 : x
  2. Step 2: Convert to fraction form
    777,757.23/1,166,635.85 = 245,319.77/x
  3. Step 3: Cross multiply
    777,757.23x = 1,166,635.85 × 245,319.77
  4. Step 4: Simplify right side
    777,757.23x = 286,198,840,085.75
  5. Step 5: Solve for x
    x = 286,198,840,085.75/777,757.23
  6. Step 6: Final answer
    x = 367,979.66

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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.