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Finding the Fourth Proportional to 534,460.90, 737,546.91 and 289,443.67

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Solution

The fourth proportional to 534,460.90, 737,546.91 and 289,443.67 is: 399,427.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,460.90 : 737,546.91 = 289,443.67 : x
  2. Step 2: Convert to fraction form
    534,460.90/737,546.91 = 289,443.67/x
  3. Step 3: Cross multiply
    534,460.90x = 737,546.91 × 289,443.67
  4. Step 4: Simplify right side
    534,460.90x = 213,478,284,427.56
  5. Step 5: Solve for x
    x = 213,478,284,427.56/534,460.90
  6. Step 6: Final answer
    x = 399,427.32

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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.