Home / 490,724.64-677,196.18-272,935.31

Finding the Fourth Proportional to 490,724.64, 677,196.18 and 272,935.31

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Solution

The fourth proportional to 490,724.64, 677,196.18 and 272,935.31 is: 376,648.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,724.64 : 677,196.18 = 272,935.31 : x
  2. Step 2: Convert to fraction form
    490,724.64/677,196.18 = 272,935.31/x
  3. Step 3: Cross multiply
    490,724.64x = 677,196.18 × 272,935.31
  4. Step 4: Simplify right side
    490,724.64x = 184,830,745,933.14
  5. Step 5: Solve for x
    x = 184,830,745,933.14/490,724.64
  6. Step 6: Final answer
    x = 376,648.59

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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.