Home / 490,612.53-677,101.38-272,842.89

Finding the Fourth Proportional to 490,612.53, 677,101.38 and 272,842.89

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Solution

The fourth proportional to 490,612.53, 677,101.38 and 272,842.89 is: 376,554.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,612.53 : 677,101.38 = 272,842.89 : x
  2. Step 2: Convert to fraction form
    490,612.53/677,101.38 = 272,842.89/x
  3. Step 3: Cross multiply
    490,612.53x = 677,101.38 × 272,842.89
  4. Step 4: Simplify right side
    490,612.53x = 184,742,297,342.19
  5. Step 5: Solve for x
    x = 184,742,297,342.19/490,612.53
  6. Step 6: Final answer
    x = 376,554.38

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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.