Home / 957,558.52-1,321,421.94-521,975.80

Finding the Fourth Proportional to 957,558.52, 1,321,421.94 and 521,975.80

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Solution

The fourth proportional to 957,558.52, 1,321,421.94 and 521,975.80 is: 720,321.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,558.52 : 1,321,421.94 = 521,975.80 : x
  2. Step 2: Convert to fraction form
    957,558.52/1,321,421.94 = 521,975.80/x
  3. Step 3: Cross multiply
    957,558.52x = 1,321,421.94 × 521,975.80
  4. Step 4: Simplify right side
    957,558.52x = 689,750,274,269.05
  5. Step 5: Solve for x
    x = 689,750,274,269.05/957,558.52
  6. Step 6: Final answer
    x = 720,321.80

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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.