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Finding the Fourth Proportional to 541,427.76, 812,939.99 and 302,009.43

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Solution

The fourth proportional to 541,427.76, 812,939.99 and 302,009.43 is: 453,459.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,427.76 : 812,939.99 = 302,009.43 : x
  2. Step 2: Convert to fraction form
    541,427.76/812,939.99 = 302,009.43/x
  3. Step 3: Cross multiply
    541,427.76x = 812,939.99 × 302,009.43
  4. Step 4: Simplify right side
    541,427.76x = 245,515,543,004.11
  5. Step 5: Solve for x
    x = 245,515,543,004.11/541,427.76
  6. Step 6: Final answer
    x = 453,459.47

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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.