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Finding the Fourth Proportional to 624,048.86, 861,191.47 and 365,868.04

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Solution

The fourth proportional to 624,048.86, 861,191.47 and 365,868.04 is: 504,900.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,048.86 : 861,191.47 = 365,868.04 : x
  2. Step 2: Convert to fraction form
    624,048.86/861,191.47 = 365,868.04/x
  3. Step 3: Cross multiply
    624,048.86x = 861,191.47 × 365,868.04
  4. Step 4: Simplify right side
    624,048.86x = 315,082,434,083.71
  5. Step 5: Solve for x
    x = 315,082,434,083.71/624,048.86
  6. Step 6: Final answer
    x = 504,900.27

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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.