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Finding the Fourth Proportional to 557,562.51, 769,434.24 and 302,911.47

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Solution

The fourth proportional to 557,562.51, 769,434.24 and 302,911.47 is: 418,016.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,562.51 : 769,434.24 = 302,911.47 : x
  2. Step 2: Convert to fraction form
    557,562.51/769,434.24 = 302,911.47/x
  3. Step 3: Cross multiply
    557,562.51x = 769,434.24 × 302,911.47
  4. Step 4: Simplify right side
    557,562.51x = 233,070,456,706.73
  5. Step 5: Solve for x
    x = 233,070,456,706.73/557,562.51
  6. Step 6: Final answer
    x = 418,016.73

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1.5x scale

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.