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Finding the Fourth Proportional to 635,587.40, 877,116.94 and 345,204.63

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Solution

The fourth proportional to 635,587.40, 877,116.94 and 345,204.63 is: 476,385.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,587.40 : 877,116.94 = 345,204.63 : x
  2. Step 2: Convert to fraction form
    635,587.40/877,116.94 = 345,204.63/x
  3. Step 3: Cross multiply
    635,587.40x = 877,116.94 × 345,204.63
  4. Step 4: Simplify right side
    635,587.40x = 302,784,828,739.43
  5. Step 5: Solve for x
    x = 302,784,828,739.43/635,587.40
  6. Step 6: Final answer
    x = 476,385.83

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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.