Home / 777,948.87-1,166,257.67-298,520.70

Finding the Fourth Proportional to 777,948.87, 1,166,257.67 and 298,520.70

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Solution

The fourth proportional to 777,948.87, 1,166,257.67 and 298,520.70 is: 447,525.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,948.87 : 1,166,257.67 = 298,520.70 : x
  2. Step 2: Convert to fraction form
    777,948.87/1,166,257.67 = 298,520.70/x
  3. Step 3: Cross multiply
    777,948.87x = 1,166,257.67 × 298,520.70
  4. Step 4: Simplify right side
    777,948.87x = 348,152,054,536.17
  5. Step 5: Solve for x
    x = 348,152,054,536.17/777,948.87
  6. Step 6: Final answer
    x = 447,525.63

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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.