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Finding the Fourth Proportional to 557,393.67, 769,207.32 and 302,744.93

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Solution

The fourth proportional to 557,393.67, 769,207.32 and 302,744.93 is: 417,790.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,393.67 : 769,207.32 = 302,744.93 : x
  2. Step 2: Convert to fraction form
    557,393.67/769,207.32 = 302,744.93/x
  3. Step 3: Cross multiply
    557,393.67x = 769,207.32 × 302,744.93
  4. Step 4: Simplify right side
    557,393.67x = 232,873,612,402.85
  5. Step 5: Solve for x
    x = 232,873,612,402.85/557,393.67
  6. Step 6: Final answer
    x = 417,790.20

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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.