Home / 781,028.82-1,077,790.32-441,504.36

Finding the Fourth Proportional to 781,028.82, 1,077,790.32 and 441,504.36

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Solution

The fourth proportional to 781,028.82, 1,077,790.32 and 441,504.36 is: 609,259.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,028.82 : 1,077,790.32 = 441,504.36 : x
  2. Step 2: Convert to fraction form
    781,028.82/1,077,790.32 = 441,504.36/x
  3. Step 3: Cross multiply
    781,028.82x = 1,077,790.32 × 441,504.36
  4. Step 4: Simplify right side
    781,028.82x = 475,849,125,445.80
  5. Step 5: Solve for x
    x = 475,849,125,445.80/781,028.82
  6. Step 6: Final answer
    x = 609,259.37

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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.