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Finding the Fourth Proportional to 615,604.12, 849,576.60 and 343,725.52

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Solution

The fourth proportional to 615,604.12, 849,576.60 and 343,725.52 is: 474,365.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,604.12 : 849,576.60 = 343,725.52 : x
  2. Step 2: Convert to fraction form
    615,604.12/849,576.60 = 343,725.52/x
  3. Step 3: Cross multiply
    615,604.12x = 849,576.60 × 343,725.52
  4. Step 4: Simplify right side
    615,604.12x = 292,021,158,614.83
  5. Step 5: Solve for x
    x = 292,021,158,614.83/615,604.12
  6. Step 6: Final answer
    x = 474,365.18

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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.