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Finding the Fourth Proportional to 368,514.69, 508,827.45 and 362,629.38

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Solution

The fourth proportional to 368,514.69, 508,827.45 and 362,629.38 is: 500,701.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,514.69 : 508,827.45 = 362,629.38 : x
  2. Step 2: Convert to fraction form
    368,514.69/508,827.45 = 362,629.38/x
  3. Step 3: Cross multiply
    368,514.69x = 508,827.45 × 362,629.38
  4. Step 4: Simplify right side
    368,514.69x = 184,515,782,720.48
  5. Step 5: Solve for x
    x = 184,515,782,720.48/368,514.69
  6. Step 6: Final answer
    x = 500,701.30

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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.