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Finding the Fourth Proportional to 440,005.63, 658,892.03 and 368,740.87

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Solution

The fourth proportional to 440,005.63, 658,892.03 and 368,740.87 is: 552,175.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,005.63 : 658,892.03 = 368,740.87 : x
  2. Step 2: Convert to fraction form
    440,005.63/658,892.03 = 368,740.87/x
  3. Step 3: Cross multiply
    440,005.63x = 658,892.03 × 368,740.87
  4. Step 4: Simplify right side
    440,005.63x = 242,960,417,083.81
  5. Step 5: Solve for x
    x = 242,960,417,083.81/440,005.63
  6. Step 6: Final answer
    x = 552,175.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.