Home / 741,808.40-1,112,712.60-404,718.80

Finding the Fourth Proportional to 741,808.40, 1,112,712.60 and 404,718.80

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Solution

The fourth proportional to 741,808.40, 1,112,712.60 and 404,718.80 is: 607,078.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,808.40 : 1,112,712.60 = 404,718.80 : x
  2. Step 2: Convert to fraction form
    741,808.40/1,112,712.60 = 404,718.80/x
  3. Step 3: Cross multiply
    741,808.40x = 1,112,712.60 × 404,718.80
  4. Step 4: Simplify right side
    741,808.40x = 450,335,708,216.88
  5. Step 5: Solve for x
    x = 450,335,708,216.88/741,808.40
  6. Step 6: Final answer
    x = 607,078.20

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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.