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Finding the Fourth Proportional to 534,334.61, 737,382.83 and 289,322.04

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Solution

The fourth proportional to 534,334.61, 737,382.83 and 289,322.04 is: 399,264.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,334.61 : 737,382.83 = 289,322.04 : x
  2. Step 2: Convert to fraction form
    534,334.61/737,382.83 = 289,322.04/x
  3. Step 3: Cross multiply
    534,334.61x = 737,382.83 × 289,322.04
  4. Step 4: Simplify right side
    534,334.61x = 213,341,104,636.57
  5. Step 5: Solve for x
    x = 213,341,104,636.57/534,334.61
  6. Step 6: Final answer
    x = 399,264.99

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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.