Home / 901,879.20-1,352,830.14-270,756.36

Finding the Fourth Proportional to 901,879.20, 1,352,830.14 and 270,756.36

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Solution

The fourth proportional to 901,879.20, 1,352,830.14 and 270,756.36 is: 406,137.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,879.20 : 1,352,830.14 = 270,756.36 : x
  2. Step 2: Convert to fraction form
    901,879.20/1,352,830.14 = 270,756.36/x
  3. Step 3: Cross multiply
    901,879.20x = 1,352,830.14 × 270,756.36
  4. Step 4: Simplify right side
    901,879.20x = 366,287,364,404.69
  5. Step 5: Solve for x
    x = 366,287,364,404.69/901,879.20
  6. Step 6: Final answer
    x = 406,137.94

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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.