Home / 851,395.26-1,276,502.34-452,316.30

Finding the Fourth Proportional to 851,395.26, 1,276,502.34 and 452,316.30

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Solution

The fourth proportional to 851,395.26, 1,276,502.34 and 452,316.30 is: 678,160.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,395.26 : 1,276,502.34 = 452,316.30 : x
  2. Step 2: Convert to fraction form
    851,395.26/1,276,502.34 = 452,316.30/x
  3. Step 3: Cross multiply
    851,395.26x = 1,276,502.34 × 452,316.30
  4. Step 4: Simplify right side
    851,395.26x = 577,382,815,370.14
  5. Step 5: Solve for x
    x = 577,382,815,370.14/851,395.26
  6. Step 6: Final answer
    x = 678,160.71

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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.