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Finding the Fourth Proportional to 594,911.52, 820,603.98 and 353,022.84

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Solution

The fourth proportional to 594,911.52, 820,603.98 and 353,022.84 is: 486,949.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,911.52 : 820,603.98 = 353,022.84 : x
  2. Step 2: Convert to fraction form
    594,911.52/820,603.98 = 353,022.84/x
  3. Step 3: Cross multiply
    594,911.52x = 820,603.98 × 353,022.84
  4. Step 4: Simplify right side
    594,911.52x = 289,691,947,534.90
  5. Step 5: Solve for x
    x = 289,691,947,534.90/594,911.52
  6. Step 6: Final answer
    x = 486,949.64

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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.