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Finding the Fourth Proportional to 443,356.84, 611,041.44 and 335,668.96

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Solution

The fourth proportional to 443,356.84, 611,041.44 and 335,668.96 is: 462,624.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,356.84 : 611,041.44 = 335,668.96 : x
  2. Step 2: Convert to fraction form
    443,356.84/611,041.44 = 335,668.96/x
  3. Step 3: Cross multiply
    443,356.84x = 611,041.44 × 335,668.96
  4. Step 4: Simplify right side
    443,356.84x = 205,107,644,681.70
  5. Step 5: Solve for x
    x = 205,107,644,681.70/443,356.84
  6. Step 6: Final answer
    x = 462,624.29

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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.