Home / 682,678.53-1,024,474.86-283,319.64

Finding the Fourth Proportional to 682,678.53, 1,024,474.86 and 283,319.64

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Solution

The fourth proportional to 682,678.53, 1,024,474.86 and 283,319.64 is: 425,169.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,678.53 : 1,024,474.86 = 283,319.64 : x
  2. Step 2: Convert to fraction form
    682,678.53/1,024,474.86 = 283,319.64/x
  3. Step 3: Cross multiply
    682,678.53x = 1,024,474.86 × 283,319.64
  4. Step 4: Simplify right side
    682,678.53x = 290,253,848,524.25
  5. Step 5: Solve for x
    x = 290,253,848,524.25/682,678.53
  6. Step 6: Final answer
    x = 425,169.15

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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.