Home / 679,899.72-938,241.77-373,976.02

Finding the Fourth Proportional to 679,899.72, 938,241.77 and 373,976.02

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Solution

The fourth proportional to 679,899.72, 938,241.77 and 373,976.02 is: 516,075.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,899.72 : 938,241.77 = 373,976.02 : x
  2. Step 2: Convert to fraction form
    679,899.72/938,241.77 = 373,976.02/x
  3. Step 3: Cross multiply
    679,899.72x = 938,241.77 × 373,976.02
  4. Step 4: Simplify right side
    679,899.72x = 350,879,922,245.28
  5. Step 5: Solve for x
    x = 350,879,922,245.28/679,899.72
  6. Step 6: Final answer
    x = 516,075.99

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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.