Home / 499,827.70-689,760.93-273,473.20

Finding the Fourth Proportional to 499,827.70, 689,760.93 and 273,473.20

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Solution

The fourth proportional to 499,827.70, 689,760.93 and 273,473.20 is: 377,392.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,827.70 : 689,760.93 = 273,473.20 : x
  2. Step 2: Convert to fraction form
    499,827.70/689,760.93 = 273,473.20/x
  3. Step 3: Cross multiply
    499,827.70x = 689,760.93 × 273,473.20
  4. Step 4: Simplify right side
    499,827.70x = 188,631,128,762.08
  5. Step 5: Solve for x
    x = 188,631,128,762.08/499,827.70
  6. Step 6: Final answer
    x = 377,392.31

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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.