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Finding the Fourth Proportional to 635,734.54, 877,362.87 and 363,887.74

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Solution

The fourth proportional to 635,734.54, 877,362.87 and 363,887.74 is: 502,193.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,734.54 : 877,362.87 = 363,887.74 : x
  2. Step 2: Convert to fraction form
    635,734.54/877,362.87 = 363,887.74/x
  3. Step 3: Cross multiply
    635,734.54x = 877,362.87 × 363,887.74
  4. Step 4: Simplify right side
    635,734.54x = 319,261,591,924.21
  5. Step 5: Solve for x
    x = 319,261,591,924.21/635,734.54
  6. Step 6: Final answer
    x = 502,193.25

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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.