Home / 775,083.96-1,069,520.22-448,453.08

Finding the Fourth Proportional to 775,083.96, 1,069,520.22 and 448,453.08

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Solution

The fourth proportional to 775,083.96, 1,069,520.22 and 448,453.08 is: 618,809.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,083.96 : 1,069,520.22 = 448,453.08 : x
  2. Step 2: Convert to fraction form
    775,083.96/1,069,520.22 = 448,453.08/x
  3. Step 3: Cross multiply
    775,083.96x = 1,069,520.22 × 448,453.08
  4. Step 4: Simplify right side
    775,083.96x = 479,629,636,781.28
  5. Step 5: Solve for x
    x = 479,629,636,781.28/775,083.96
  6. Step 6: Final answer
    x = 618,809.91

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Double scale
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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.