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Finding the Fourth Proportional to 535,097.39, 738,330.41 and 317,265.81

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Solution

The fourth proportional to 535,097.39, 738,330.41 and 317,265.81 is: 437,765.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,097.39 : 738,330.41 = 317,265.81 : x
  2. Step 2: Convert to fraction form
    535,097.39/738,330.41 = 317,265.81/x
  3. Step 3: Cross multiply
    535,097.39x = 738,330.41 × 317,265.81
  4. Step 4: Simplify right side
    535,097.39x = 234,246,995,179.70
  5. Step 5: Solve for x
    x = 234,246,995,179.70/535,097.39
  6. Step 6: Final answer
    x = 437,765.16

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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.