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Finding the Fourth Proportional to 561,124.44, 774,351.72 and 306,476.23

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Solution

The fourth proportional to 561,124.44, 774,351.72 and 306,476.23 is: 422,937.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,124.44 : 774,351.72 = 306,476.23 : x
  2. Step 2: Convert to fraction form
    561,124.44/774,351.72 = 306,476.23/x
  3. Step 3: Cross multiply
    561,124.44x = 774,351.72 × 306,476.23
  4. Step 4: Simplify right side
    561,124.44x = 237,320,395,839.62
  5. Step 5: Solve for x
    x = 237,320,395,839.62/561,124.44
  6. Step 6: Final answer
    x = 422,937.19

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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.