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Finding the Fourth Proportional to 635,536.71, 877,037.67 and 345,146.25

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Solution

The fourth proportional to 635,536.71, 877,037.67 and 345,146.25 is: 476,300.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,536.71 : 877,037.67 = 345,146.25 : x
  2. Step 2: Convert to fraction form
    635,536.71/877,037.67 = 345,146.25/x
  3. Step 3: Cross multiply
    635,536.71x = 877,037.67 × 345,146.25
  4. Step 4: Simplify right side
    635,536.71x = 302,706,262,909.24
  5. Step 5: Solve for x
    x = 302,706,262,909.24/635,536.71
  6. Step 6: Final answer
    x = 476,300.20

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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.