Home / 825,932.09-1,238,406.06-286,011

Finding the Fourth Proportional to 825,932.09, 1,238,406.06 and 286,011

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Solution

The fourth proportional to 825,932.09, 1,238,406.06 and 286,011 is: 428,846.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,932.09 : 1,238,406.06 = 286,011 : x
  2. Step 2: Convert to fraction form
    825,932.09/1,238,406.06 = 286,011/x
  3. Step 3: Cross multiply
    825,932.09x = 1,238,406.06 × 286,011
  4. Step 4: Simplify right side
    825,932.09x = 354,197,756,699.20
  5. Step 5: Solve for x
    x = 354,197,756,699.20/825,932.09
  6. Step 6: Final answer
    x = 428,846.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.