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Finding the Fourth Proportional to 615,504.15, 849,537.42 and 360,937.35

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Solution

The fourth proportional to 615,504.15, 849,537.42 and 360,937.35 is: 498,176.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,504.15 : 849,537.42 = 360,937.35 : x
  2. Step 2: Convert to fraction form
    615,504.15/849,537.42 = 360,937.35/x
  3. Step 3: Cross multiply
    615,504.15x = 849,537.42 × 360,937.35
  4. Step 4: Simplify right side
    615,504.15x = 306,629,785,100.64
  5. Step 5: Solve for x
    x = 306,629,785,100.64/615,504.15
  6. Step 6: Final answer
    x = 498,176.63

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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.