Home / 682,784.40-1,024,176.60-328,490.40

Finding the Fourth Proportional to 682,784.40, 1,024,176.60 and 328,490.40

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Solution

The fourth proportional to 682,784.40, 1,024,176.60 and 328,490.40 is: 492,735.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,784.40 : 1,024,176.60 = 328,490.40 : x
  2. Step 2: Convert to fraction form
    682,784.40/1,024,176.60 = 328,490.40/x
  3. Step 3: Cross multiply
    682,784.40x = 1,024,176.60 × 328,490.40
  4. Step 4: Simplify right side
    682,784.40x = 336,432,181,004.64
  5. Step 5: Solve for x
    x = 336,432,181,004.64/682,784.40
  6. Step 6: Final answer
    x = 492,735.60

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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.