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Finding the Fourth Proportional to 499,765.08, 689,675.81 and 270,322.35

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Solution

The fourth proportional to 499,765.08, 689,675.81 and 270,322.35 is: 373,044.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,765.08 : 689,675.81 = 270,322.35 : x
  2. Step 2: Convert to fraction form
    499,765.08/689,675.81 = 270,322.35/x
  3. Step 3: Cross multiply
    499,765.08x = 689,675.81 × 270,322.35
  4. Step 4: Simplify right side
    499,765.08x = 186,434,786,399.17
  5. Step 5: Solve for x
    x = 186,434,786,399.17/499,765.08
  6. Step 6: Final answer
    x = 373,044.85

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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.