Home / 679,636.20-937,922.01-373,735.80

Finding the Fourth Proportional to 679,636.20, 937,922.01 and 373,735.80

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Solution

The fourth proportional to 679,636.20, 937,922.01 and 373,735.80 is: 515,768.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,636.20 : 937,922.01 = 373,735.80 : x
  2. Step 2: Convert to fraction form
    679,636.20/937,922.01 = 373,735.80/x
  3. Step 3: Cross multiply
    679,636.20x = 937,922.01 × 373,735.80
  4. Step 4: Simplify right side
    679,636.20x = 350,535,032,744.96
  5. Step 5: Solve for x
    x = 350,535,032,744.96/679,636.20
  6. Step 6: Final answer
    x = 515,768.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.