Home / 547,848.83-756,029.73-306,131.64

Finding the Fourth Proportional to 547,848.83, 756,029.73 and 306,131.64

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Solution

The fourth proportional to 547,848.83, 756,029.73 and 306,131.64 is: 422,460.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,848.83 : 756,029.73 = 306,131.64 : x
  2. Step 2: Convert to fraction form
    547,848.83/756,029.73 = 306,131.64/x
  3. Step 3: Cross multiply
    547,848.83x = 756,029.73 × 306,131.64
  4. Step 4: Simplify right side
    547,848.83x = 231,444,621,133.66
  5. Step 5: Solve for x
    x = 231,444,621,133.66/547,848.83
  6. Step 6: Final answer
    x = 422,460.74

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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.