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Finding the Fourth Proportional to 538,782.66, 808,173.99 and 299,043.72

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Solution

The fourth proportional to 538,782.66, 808,173.99 and 299,043.72 is: 448,565.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,782.66 : 808,173.99 = 299,043.72 : x
  2. Step 2: Convert to fraction form
    538,782.66/808,173.99 = 299,043.72/x
  3. Step 3: Cross multiply
    538,782.66x = 808,173.99 × 299,043.72
  4. Step 4: Simplify right side
    538,782.66x = 241,679,356,376.84
  5. Step 5: Solve for x
    x = 241,679,356,376.84/538,782.66
  6. Step 6: Final answer
    x = 448,565.58

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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.