Home / 825,789.88-1,139,827.62-535,390.84

Finding the Fourth Proportional to 825,789.88, 1,139,827.62 and 535,390.84

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Solution

The fourth proportional to 825,789.88, 1,139,827.62 and 535,390.84 is: 738,993.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,789.88 : 1,139,827.62 = 535,390.84 : x
  2. Step 2: Convert to fraction form
    825,789.88/1,139,827.62 = 535,390.84/x
  3. Step 3: Cross multiply
    825,789.88x = 1,139,827.62 × 535,390.84
  4. Step 4: Simplify right side
    825,789.88x = 610,253,266,927.00
  5. Step 5: Solve for x
    x = 610,253,266,927.00/825,789.88
  6. Step 6: Final answer
    x = 738,993.39

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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.