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Finding the Fourth Proportional to 635,547.28, 877,065.80 and 349,093.84

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Solution

The fourth proportional to 635,547.28, 877,065.80 and 349,093.84 is: 481,755.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,547.28 : 877,065.80 = 349,093.84 : x
  2. Step 2: Convert to fraction form
    635,547.28/877,065.80 = 349,093.84/x
  3. Step 3: Cross multiply
    635,547.28x = 877,065.80 × 349,093.84
  4. Step 4: Simplify right side
    635,547.28x = 306,178,268,054.67
  5. Step 5: Solve for x
    x = 306,178,268,054.67/635,547.28
  6. Step 6: Final answer
    x = 481,755.30

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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.