Home / 684,855.40-1,027,283.10-404,228.20

Finding the Fourth Proportional to 684,855.40, 1,027,283.10 and 404,228.20

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Solution

The fourth proportional to 684,855.40, 1,027,283.10 and 404,228.20 is: 606,342.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,855.40 : 1,027,283.10 = 404,228.20 : x
  2. Step 2: Convert to fraction form
    684,855.40/1,027,283.10 = 404,228.20/x
  3. Step 3: Cross multiply
    684,855.40x = 1,027,283.10 × 404,228.20
  4. Step 4: Simplify right side
    684,855.40x = 415,256,798,403.42
  5. Step 5: Solve for x
    x = 415,256,798,403.42/684,855.40
  6. Step 6: Final answer
    x = 606,342.30

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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.