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Finding the Fourth Proportional to 616,468.68, 850,710.78 and 344,538.81

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Solution

The fourth proportional to 616,468.68, 850,710.78 and 344,538.81 is: 475,454.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,468.68 : 850,710.78 = 344,538.81 : x
  2. Step 2: Convert to fraction form
    616,468.68/850,710.78 = 344,538.81/x
  3. Step 3: Cross multiply
    616,468.68x = 850,710.78 × 344,538.81
  4. Step 4: Simplify right side
    616,468.68x = 293,102,879,795.37
  5. Step 5: Solve for x
    x = 293,102,879,795.37/616,468.68
  6. Step 6: Final answer
    x = 475,454.62

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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.