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Finding the Fourth Proportional to 499,783.04, 689,700.76 and 273,433.36

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Solution

The fourth proportional to 499,783.04, 689,700.76 and 273,433.36 is: 377,338.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,783.04 : 689,700.76 = 273,433.36 : x
  2. Step 2: Convert to fraction form
    499,783.04/689,700.76 = 273,433.36/x
  3. Step 3: Cross multiply
    499,783.04x = 689,700.76 × 273,433.36
  4. Step 4: Simplify right side
    499,783.04x = 188,587,196,201.35
  5. Step 5: Solve for x
    x = 188,587,196,201.35/499,783.04
  6. Step 6: Final answer
    x = 377,338.13

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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.