Home / 490,604.77-677,090.67-272,835.14

Finding the Fourth Proportional to 490,604.77, 677,090.67 and 272,835.14

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Solution

The fourth proportional to 490,604.77, 677,090.67 and 272,835.14 is: 376,543.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,604.77 : 677,090.67 = 272,835.14 : x
  2. Step 2: Convert to fraction form
    490,604.77/677,090.67 = 272,835.14/x
  3. Step 3: Cross multiply
    490,604.77x = 677,090.67 × 272,835.14
  4. Step 4: Simplify right side
    490,604.77x = 184,734,127,742.14
  5. Step 5: Solve for x
    x = 184,734,127,742.14/490,604.77
  6. Step 6: Final answer
    x = 376,543.68

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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.