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Finding the Fourth Proportional to 615,722.73, 849,807.89 and 367,380.64

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Solution

The fourth proportional to 615,722.73, 849,807.89 and 367,380.64 is: 507,051.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,722.73 : 849,807.89 = 367,380.64 : x
  2. Step 2: Convert to fraction form
    615,722.73/849,807.89 = 367,380.64/x
  3. Step 3: Cross multiply
    615,722.73x = 849,807.89 × 367,380.64
  4. Step 4: Simplify right side
    615,722.73x = 312,202,966,505.25
  5. Step 5: Solve for x
    x = 312,202,966,505.25/615,722.73
  6. Step 6: Final answer
    x = 507,051.23

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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.