Home / 684,828.40-1,027,242.60-404,201.20

Finding the Fourth Proportional to 684,828.40, 1,027,242.60 and 404,201.20

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Solution

The fourth proportional to 684,828.40, 1,027,242.60 and 404,201.20 is: 606,301.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,828.40 : 1,027,242.60 = 404,201.20 : x
  2. Step 2: Convert to fraction form
    684,828.40/1,027,242.60 = 404,201.20/x
  3. Step 3: Cross multiply
    684,828.40x = 1,027,242.60 × 404,201.20
  4. Step 4: Simplify right side
    684,828.40x = 415,212,691,611.12
  5. Step 5: Solve for x
    x = 415,212,691,611.12/684,828.40
  6. Step 6: Final answer
    x = 606,301.80

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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.