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Finding the Fourth Proportional to 535,808.84, 739,405.64 and 303,231.47

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Solution

The fourth proportional to 535,808.84, 739,405.64 and 303,231.47 is: 418,453.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,808.84 : 739,405.64 = 303,231.47 : x
  2. Step 2: Convert to fraction form
    535,808.84/739,405.64 = 303,231.47/x
  3. Step 3: Cross multiply
    535,808.84x = 739,405.64 × 303,231.47
  4. Step 4: Simplify right side
    535,808.84x = 224,211,059,143.49
  5. Step 5: Solve for x
    x = 224,211,059,143.49/535,808.84
  6. Step 6: Final answer
    x = 418,453.45

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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.