Home / 635,341.32-876,799.62-380,687.04

Finding the Fourth Proportional to 635,341.32, 876,799.62 and 380,687.04

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Solution

The fourth proportional to 635,341.32, 876,799.62 and 380,687.04 is: 525,365.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,341.32 : 876,799.62 = 380,687.04 : x
  2. Step 2: Convert to fraction form
    635,341.32/876,799.62 = 380,687.04/x
  3. Step 3: Cross multiply
    635,341.32x = 876,799.62 × 380,687.04
  4. Step 4: Simplify right side
    635,341.32x = 333,786,252,010.93
  5. Step 5: Solve for x
    x = 333,786,252,010.93/635,341.32
  6. Step 6: Final answer
    x = 525,365.25

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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.