Home / 777,669.60-1,166,393.64-245,121.42

Finding the Fourth Proportional to 777,669.60, 1,166,393.64 and 245,121.42

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Solution

The fourth proportional to 777,669.60, 1,166,393.64 and 245,121.42 is: 367,647.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,669.60 : 1,166,393.64 = 245,121.42 : x
  2. Step 2: Convert to fraction form
    777,669.60/1,166,393.64 = 245,121.42/x
  3. Step 3: Cross multiply
    777,669.60x = 1,166,393.64 × 245,121.42
  4. Step 4: Simplify right side
    777,669.60x = 285,908,065,315.77
  5. Step 5: Solve for x
    x = 285,908,065,315.77/777,669.60
  6. Step 6: Final answer
    x = 367,647.22

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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.