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Finding the Fourth Proportional to 534,371.77, 737,434.19 and 289,359.22

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Solution

The fourth proportional to 534,371.77, 737,434.19 and 289,359.22 is: 399,316.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,371.77 : 737,434.19 = 289,359.22 : x
  2. Step 2: Convert to fraction form
    534,371.77/737,434.19 = 289,359.22/x
  3. Step 3: Cross multiply
    534,371.77x = 737,434.19 × 289,359.22
  4. Step 4: Simplify right side
    534,371.77x = 213,383,382,019.73
  5. Step 5: Solve for x
    x = 213,383,382,019.73/534,371.77
  6. Step 6: Final answer
    x = 399,316.34

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1.5x scale

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.