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Finding the Fourth Proportional to 635,839.04, 877,407.72 and 363,912.32

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Solution

The fourth proportional to 635,839.04, 877,407.72 and 363,912.32 is: 502,170.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,839.04 : 877,407.72 = 363,912.32 : x
  2. Step 2: Convert to fraction form
    635,839.04/877,407.72 = 363,912.32/x
  3. Step 3: Cross multiply
    635,839.04x = 877,407.72 × 363,912.32
  4. Step 4: Simplify right side
    635,839.04x = 319,299,478,971.11
  5. Step 5: Solve for x
    x = 319,299,478,971.11/635,839.04
  6. Step 6: Final answer
    x = 502,170.30

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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.