Home / 849,511.35-1,274,464.26-280,858.14

Finding the Fourth Proportional to 849,511.35, 1,274,464.26 and 280,858.14

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Solution

The fourth proportional to 849,511.35, 1,274,464.26 and 280,858.14 is: 421,352.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,511.35 : 1,274,464.26 = 280,858.14 : x
  2. Step 2: Convert to fraction form
    849,511.35/1,274,464.26 = 280,858.14/x
  3. Step 3: Cross multiply
    849,511.35x = 1,274,464.26 × 280,858.14
  4. Step 4: Simplify right side
    849,511.35x = 357,943,661,560.08
  5. Step 5: Solve for x
    x = 357,943,661,560.08/849,511.35
  6. Step 6: Final answer
    x = 421,352.42

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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.