Home / 684,850.90-1,027,276.35-404,223.70

Finding the Fourth Proportional to 684,850.90, 1,027,276.35 and 404,223.70

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Solution

The fourth proportional to 684,850.90, 1,027,276.35 and 404,223.70 is: 606,335.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,850.90 : 1,027,276.35 = 404,223.70 : x
  2. Step 2: Convert to fraction form
    684,850.90/1,027,276.35 = 404,223.70/x
  3. Step 3: Cross multiply
    684,850.90x = 1,027,276.35 × 404,223.70
  4. Step 4: Simplify right side
    684,850.90x = 415,249,447,119.50
  5. Step 5: Solve for x
    x = 415,249,447,119.50/684,850.90
  6. Step 6: Final answer
    x = 606,335.55

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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.