Home / 679,729.37-938,050.62-373,829.41

Finding the Fourth Proportional to 679,729.37, 938,050.62 and 373,829.41

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Solution

The fourth proportional to 679,729.37, 938,050.62 and 373,829.41 is: 515,897.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,729.37 : 938,050.62 = 373,829.41 : x
  2. Step 2: Convert to fraction form
    679,729.37/938,050.62 = 373,829.41/x
  3. Step 3: Cross multiply
    679,729.37x = 938,050.62 × 373,829.41
  4. Step 4: Simplify right side
    679,729.37x = 350,670,911,698.23
  5. Step 5: Solve for x
    x = 350,670,911,698.23/679,729.37
  6. Step 6: Final answer
    x = 515,897.84

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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.