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Finding the Fourth Proportional to 615,977.82, 850,031.86 and 344,037.73

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Solution

The fourth proportional to 615,977.82, 850,031.86 and 344,037.73 is: 474,762.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,977.82 : 850,031.86 = 344,037.73 : x
  2. Step 2: Convert to fraction form
    615,977.82/850,031.86 = 344,037.73/x
  3. Step 3: Cross multiply
    615,977.82x = 850,031.86 × 344,037.73
  4. Step 4: Simplify right side
    615,977.82x = 292,443,031,542.08
  5. Step 5: Solve for x
    x = 292,443,031,542.08/615,977.82
  6. Step 6: Final answer
    x = 474,762.28

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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.