Home / 490,747.12-677,747.31-437,253.44

Finding the Fourth Proportional to 490,747.12, 677,747.31 and 437,253.44

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Solution

The fourth proportional to 490,747.12, 677,747.31 and 437,253.44 is: 603,869.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,747.12 : 677,747.31 = 437,253.44 : x
  2. Step 2: Convert to fraction form
    490,747.12/677,747.31 = 437,253.44/x
  3. Step 3: Cross multiply
    490,747.12x = 677,747.31 × 437,253.44
  4. Step 4: Simplify right side
    490,747.12x = 296,347,344,606.58
  5. Step 5: Solve for x
    x = 296,347,344,606.58/490,747.12
  6. Step 6: Final answer
    x = 603,869.76

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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.