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Finding the Fourth Proportional to 615,967.76, 850,026.51 and 344,039.54

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Solution

The fourth proportional to 615,967.76, 850,026.51 and 344,039.54 is: 474,769.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,967.76 : 850,026.51 = 344,039.54 : x
  2. Step 2: Convert to fraction form
    615,967.76/850,026.51 = 344,039.54/x
  3. Step 3: Cross multiply
    615,967.76x = 850,026.51 × 344,039.54
  4. Step 4: Simplify right side
    615,967.76x = 292,442,725,238.07
  5. Step 5: Solve for x
    x = 292,442,725,238.07/615,967.76
  6. Step 6: Final answer
    x = 474,769.53

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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.