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Finding the Fourth Proportional to 603,713.28, 833,128.32 and 377,491.20

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Solution

The fourth proportional to 603,713.28, 833,128.32 and 377,491.20 is: 520,940.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,713.28 : 833,128.32 = 377,491.20 : x
  2. Step 2: Convert to fraction form
    603,713.28/833,128.32 = 377,491.20/x
  3. Step 3: Cross multiply
    603,713.28x = 833,128.32 × 377,491.20
  4. Step 4: Simplify right side
    603,713.28x = 314,498,609,270.78
  5. Step 5: Solve for x
    x = 314,498,609,270.78/603,713.28
  6. Step 6: Final answer
    x = 520,940.35

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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.