Home / 684,829.40-1,027,244.10-404,202.20

Finding the Fourth Proportional to 684,829.40, 1,027,244.10 and 404,202.20

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Solution

The fourth proportional to 684,829.40, 1,027,244.10 and 404,202.20 is: 606,303.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,829.40 : 1,027,244.10 = 404,202.20 : x
  2. Step 2: Convert to fraction form
    684,829.40/1,027,244.10 = 404,202.20/x
  3. Step 3: Cross multiply
    684,829.40x = 1,027,244.10 × 404,202.20
  4. Step 4: Simplify right side
    684,829.40x = 415,214,325,157.02
  5. Step 5: Solve for x
    x = 415,214,325,157.02/684,829.40
  6. Step 6: Final answer
    x = 606,303.30

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Double scale
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Similar ratio
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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.