Home / 851,401.26-1,276,511.34-452,322.30

Finding the Fourth Proportional to 851,401.26, 1,276,511.34 and 452,322.30

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Solution

The fourth proportional to 851,401.26, 1,276,511.34 and 452,322.30 is: 678,169.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,401.26 : 1,276,511.34 = 452,322.30 : x
  2. Step 2: Convert to fraction form
    851,401.26/1,276,511.34 = 452,322.30/x
  3. Step 3: Cross multiply
    851,401.26x = 1,276,511.34 × 452,322.30
  4. Step 4: Simplify right side
    851,401.26x = 577,394,545,284.88
  5. Step 5: Solve for x
    x = 577,394,545,284.88/851,401.26
  6. Step 6: Final answer
    x = 678,169.71

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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.