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Finding the Fourth Proportional to 557,699.18, 836,290.43 and 450,820.49

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Solution

The fourth proportional to 557,699.18, 836,290.43 and 450,820.49 is: 676,021.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,699.18 : 836,290.43 = 450,820.49 : x
  2. Step 2: Convert to fraction form
    557,699.18/836,290.43 = 450,820.49/x
  3. Step 3: Cross multiply
    557,699.18x = 836,290.43 × 450,820.49
  4. Step 4: Simplify right side
    557,699.18x = 377,016,854,999.36
  5. Step 5: Solve for x
    x = 377,016,854,999.36/557,699.18
  6. Step 6: Final answer
    x = 676,021.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.