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Finding the Fourth Proportional to 635,588.55, 877,264.92 and 363,813.96

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Solution

The fourth proportional to 635,588.55, 877,264.92 and 363,813.96 is: 502,150.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,588.55 : 877,264.92 = 363,813.96 : x
  2. Step 2: Convert to fraction form
    635,588.55/877,264.92 = 363,813.96/x
  3. Step 3: Cross multiply
    635,588.55x = 877,264.92 × 363,813.96
  4. Step 4: Simplify right side
    635,588.55x = 319,161,224,514.28
  5. Step 5: Solve for x
    x = 319,161,224,514.28/635,588.55
  6. Step 6: Final answer
    x = 502,150.68

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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.