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Finding the Fourth Proportional to 608,428.71, 839,597.65 and 332,732.16

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Solution

The fourth proportional to 608,428.71, 839,597.65 and 332,732.16 is: 459,151.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,428.71 : 839,597.65 = 332,732.16 : x
  2. Step 2: Convert to fraction form
    608,428.71/839,597.65 = 332,732.16/x
  3. Step 3: Cross multiply
    608,428.71x = 839,597.65 × 332,732.16
  4. Step 4: Simplify right side
    608,428.71x = 279,361,139,615.42
  5. Step 5: Solve for x
    x = 279,361,139,615.42/608,428.71
  6. Step 6: Final answer
    x = 459,151.80

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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.