Home / 499,617.08-689,488.04-273,262.56

Finding the Fourth Proportional to 499,617.08, 689,488.04 and 273,262.56

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Solution

The fourth proportional to 499,617.08, 689,488.04 and 273,262.56 is: 377,111.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,617.08 : 689,488.04 = 273,262.56 : x
  2. Step 2: Convert to fraction form
    499,617.08/689,488.04 = 273,262.56/x
  3. Step 3: Cross multiply
    499,617.08x = 689,488.04 × 273,262.56
  4. Step 4: Simplify right side
    499,617.08x = 188,411,266,899.78
  5. Step 5: Solve for x
    x = 188,411,266,899.78/499,617.08
  6. Step 6: Final answer
    x = 377,111.34

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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.