Home / 490,916.07-677,459.94-276,051.52

Finding the Fourth Proportional to 490,916.07, 677,459.94 and 276,051.52

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Solution

The fourth proportional to 490,916.07, 677,459.94 and 276,051.52 is: 380,948.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,916.07 : 677,459.94 = 276,051.52 : x
  2. Step 2: Convert to fraction form
    490,916.07/677,459.94 = 276,051.52/x
  3. Step 3: Cross multiply
    490,916.07x = 677,459.94 × 276,051.52
  4. Step 4: Simplify right side
    490,916.07x = 187,013,845,987.74
  5. Step 5: Solve for x
    x = 187,013,845,987.74/490,916.07
  6. Step 6: Final answer
    x = 380,948.71

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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.