Home / 777,939.12-1,166,243.07-298,510.98

Finding the Fourth Proportional to 777,939.12, 1,166,243.07 and 298,510.98

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Solution

The fourth proportional to 777,939.12, 1,166,243.07 and 298,510.98 is: 447,511.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,939.12 : 1,166,243.07 = 298,510.98 : x
  2. Step 2: Convert to fraction form
    777,939.12/1,166,243.07 = 298,510.98/x
  3. Step 3: Cross multiply
    777,939.12x = 1,166,243.07 × 298,510.98
  4. Step 4: Simplify right side
    777,939.12x = 348,136,361,743.91
  5. Step 5: Solve for x
    x = 348,136,361,743.91/777,939.12
  6. Step 6: Final answer
    x = 447,511.06

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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.