Home / 844,649.80-1,266,273.90-312,070.60

Finding the Fourth Proportional to 844,649.80, 1,266,273.90 and 312,070.60

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Solution

The fourth proportional to 844,649.80, 1,266,273.90 and 312,070.60 is: 467,846.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    844,649.80 : 1,266,273.90 = 312,070.60 : x
  2. Step 2: Convert to fraction form
    844,649.80/1,266,273.90 = 312,070.60/x
  3. Step 3: Cross multiply
    844,649.80x = 1,266,273.90 × 312,070.60
  4. Step 4: Simplify right side
    844,649.80x = 395,166,855,737.34
  5. Step 5: Solve for x
    x = 395,166,855,737.34/844,649.80
  6. Step 6: Final answer
    x = 467,846.98

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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.