Home / 682,743.78-942,114.96-376,814.52

Finding the Fourth Proportional to 682,743.78, 942,114.96 and 376,814.52

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Solution

The fourth proportional to 682,743.78, 942,114.96 and 376,814.52 is: 519,964.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,743.78 : 942,114.96 = 376,814.52 : x
  2. Step 2: Convert to fraction form
    682,743.78/942,114.96 = 376,814.52/x
  3. Step 3: Cross multiply
    682,743.78x = 942,114.96 × 376,814.52
  4. Step 4: Simplify right side
    682,743.78x = 355,002,596,437.22
  5. Step 5: Solve for x
    x = 355,002,596,437.22/682,743.78
  6. Step 6: Final answer
    x = 519,964.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.