Home / 821,496.06-1,232,179.29-260,535.42

Finding the Fourth Proportional to 821,496.06, 1,232,179.29 and 260,535.42

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Solution

The fourth proportional to 821,496.06, 1,232,179.29 and 260,535.42 is: 390,782.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,496.06 : 1,232,179.29 = 260,535.42 : x
  2. Step 2: Convert to fraction form
    821,496.06/1,232,179.29 = 260,535.42/x
  3. Step 3: Cross multiply
    821,496.06x = 1,232,179.29 × 260,535.42
  4. Step 4: Simplify right side
    821,496.06x = 321,026,348,835.45
  5. Step 5: Solve for x
    x = 321,026,348,835.45/821,496.06
  6. Step 6: Final answer
    x = 390,782.58

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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.