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Finding the Fourth Proportional to 615,960, 850,024.80 and 333,336

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Solution

The fourth proportional to 615,960, 850,024.80 and 333,336 is: 460,003.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,960 : 850,024.80 = 333,336 : x
  2. Step 2: Convert to fraction form
    615,960/850,024.80 = 333,336/x
  3. Step 3: Cross multiply
    615,960x = 850,024.80 × 333,336
  4. Step 4: Simplify right side
    615,960x = 283,343,866,732.80
  5. Step 5: Solve for x
    x = 283,343,866,732.80/615,960
  6. Step 6: Final answer
    x = 460,003.68

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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.