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Finding the Fourth Proportional to 615,976.82, 850,030.49 and 344,036.73

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Solution

The fourth proportional to 615,976.82, 850,030.49 and 344,036.73 is: 474,760.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,976.82 : 850,030.49 = 344,036.73 : x
  2. Step 2: Convert to fraction form
    615,976.82/850,030.49 = 344,036.73/x
  3. Step 3: Cross multiply
    615,976.82x = 850,030.49 × 344,036.73
  4. Step 4: Simplify right side
    615,976.82x = 292,441,708,459.71
  5. Step 5: Solve for x
    x = 292,441,708,459.71/615,976.82
  6. Step 6: Final answer
    x = 474,760.90

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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.