Home / 873,070.26-1,204,828.20-485,879.20

Finding the Fourth Proportional to 873,070.26, 1,204,828.20 and 485,879.20

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Solution

The fourth proportional to 873,070.26, 1,204,828.20 and 485,879.20 is: 670,508.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,070.26 : 1,204,828.20 = 485,879.20 : x
  2. Step 2: Convert to fraction form
    873,070.26/1,204,828.20 = 485,879.20/x
  3. Step 3: Cross multiply
    873,070.26x = 1,204,828.20 × 485,879.20
  4. Step 4: Simplify right side
    873,070.26x = 585,400,961,953.44
  5. Step 5: Solve for x
    x = 585,400,961,953.44/873,070.26
  6. Step 6: Final answer
    x = 670,508.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.