Home / 901,815.85-1,352,404.71-261,986.47

Finding the Fourth Proportional to 901,815.85, 1,352,404.71 and 261,986.47

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Solution

The fourth proportional to 901,815.85, 1,352,404.71 and 261,986.47 is: 392,887.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,815.85 : 1,352,404.71 = 261,986.47 : x
  2. Step 2: Convert to fraction form
    901,815.85/1,352,404.71 = 261,986.47/x
  3. Step 3: Cross multiply
    901,815.85x = 1,352,404.71 × 261,986.47
  4. Step 4: Simplify right side
    901,815.85x = 354,311,735,984.27
  5. Step 5: Solve for x
    x = 354,311,735,984.27/901,815.85
  6. Step 6: Final answer
    x = 392,887.01

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1.5x scale

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.