Home / 490,302.64-734,789.58-253,811.35

Finding the Fourth Proportional to 490,302.64, 734,789.58 and 253,811.35

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Solution

The fourth proportional to 490,302.64, 734,789.58 and 253,811.35 is: 380,373.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,302.64 : 734,789.58 = 253,811.35 : x
  2. Step 2: Convert to fraction form
    490,302.64/734,789.58 = 253,811.35/x
  3. Step 3: Cross multiply
    490,302.64x = 734,789.58 × 253,811.35
  4. Step 4: Simplify right side
    490,302.64x = 186,497,935,265.73
  5. Step 5: Solve for x
    x = 186,497,935,265.73/490,302.64
  6. Step 6: Final answer
    x = 380,373.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.