Home / 490,602.02-677,086.88-272,832.39

Finding the Fourth Proportional to 490,602.02, 677,086.88 and 272,832.39

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Solution

The fourth proportional to 490,602.02, 677,086.88 and 272,832.39 is: 376,539.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,602.02 : 677,086.88 = 272,832.39 : x
  2. Step 2: Convert to fraction form
    490,602.02/677,086.88 = 272,832.39/x
  3. Step 3: Cross multiply
    490,602.02x = 677,086.88 × 272,832.39
  4. Step 4: Simplify right side
    490,602.02x = 184,731,230,343.88
  5. Step 5: Solve for x
    x = 184,731,230,343.88/490,602.02
  6. Step 6: Final answer
    x = 376,539.89

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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.