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Finding the Fourth Proportional to 557,650.82, 769,565.14 and 303,006.26

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Solution

The fourth proportional to 557,650.82, 769,565.14 and 303,006.26 is: 418,152.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,650.82 : 769,565.14 = 303,006.26 : x
  2. Step 2: Convert to fraction form
    557,650.82/769,565.14 = 303,006.26/x
  3. Step 3: Cross multiply
    557,650.82x = 769,565.14 × 303,006.26
  4. Step 4: Simplify right side
    557,650.82x = 233,183,054,897.78
  5. Step 5: Solve for x
    x = 233,183,054,897.78/557,650.82
  6. Step 6: Final answer
    x = 418,152.45

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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.