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Finding the Fourth Proportional to 557,297.08, 769,063.02 and 302,650.04

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Solution

The fourth proportional to 557,297.08, 769,063.02 and 302,650.04 is: 417,653.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,297.08 : 769,063.02 = 302,650.04 : x
  2. Step 2: Convert to fraction form
    557,297.08/769,063.02 = 302,650.04/x
  3. Step 3: Cross multiply
    557,297.08x = 769,063.02 × 302,650.04
  4. Step 4: Simplify right side
    557,297.08x = 232,756,953,765.52
  5. Step 5: Solve for x
    x = 232,756,953,765.52/557,297.08
  6. Step 6: Final answer
    x = 417,653.28

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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.