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Finding the Fourth Proportional to 602,358.54, 903,249.45 and 349,708.83

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Solution

The fourth proportional to 602,358.54, 903,249.45 and 349,708.83 is: 524,395.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,358.54 : 903,249.45 = 349,708.83 : x
  2. Step 2: Convert to fraction form
    602,358.54/903,249.45 = 349,708.83/x
  3. Step 3: Cross multiply
    602,358.54x = 903,249.45 × 349,708.83
  4. Step 4: Simplify right side
    602,358.54x = 315,874,308,357.64
  5. Step 5: Solve for x
    x = 315,874,308,357.64/602,358.54
  6. Step 6: Final answer
    x = 524,395.83

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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.