Home / 490,603.77-677,089.29-272,834.14

Finding the Fourth Proportional to 490,603.77, 677,089.29 and 272,834.14

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Solution

The fourth proportional to 490,603.77, 677,089.29 and 272,834.14 is: 376,542.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,603.77 : 677,089.29 = 272,834.14 : x
  2. Step 2: Convert to fraction form
    490,603.77/677,089.29 = 272,834.14/x
  3. Step 3: Cross multiply
    490,603.77x = 677,089.29 × 272,834.14
  4. Step 4: Simplify right side
    490,603.77x = 184,733,074,140.36
  5. Step 5: Solve for x
    x = 184,733,074,140.36/490,603.77
  6. Step 6: Final answer
    x = 376,542.30

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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.