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Finding the Fourth Proportional to 551,841.58, 761,609.02 and 310,134.34

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Solution

The fourth proportional to 551,841.58, 761,609.02 and 310,134.34 is: 428,023.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,841.58 : 761,609.02 = 310,134.34 : x
  2. Step 2: Convert to fraction form
    551,841.58/761,609.02 = 310,134.34/x
  3. Step 3: Cross multiply
    551,841.58x = 761,609.02 × 310,134.34
  4. Step 4: Simplify right side
    551,841.58x = 236,201,110,755.75
  5. Step 5: Solve for x
    x = 236,201,110,755.75/551,841.58
  6. Step 6: Final answer
    x = 428,023.40

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.