Home / 500,525.24-690,848.43-285,789.88

Finding the Fourth Proportional to 500,525.24, 690,848.43 and 285,789.88

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Solution

The fourth proportional to 500,525.24, 690,848.43 and 285,789.88 is: 394,460.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,525.24 : 690,848.43 = 285,789.88 : x
  2. Step 2: Convert to fraction form
    500,525.24/690,848.43 = 285,789.88/x
  3. Step 3: Cross multiply
    500,525.24x = 690,848.43 × 285,789.88
  4. Step 4: Simplify right side
    500,525.24x = 197,437,486,453.65
  5. Step 5: Solve for x
    x = 197,437,486,453.65/500,525.24
  6. Step 6: Final answer
    x = 394,460.60

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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.