Home / 499,501.77-689,298.45-273,142.41

Finding the Fourth Proportional to 499,501.77, 689,298.45 and 273,142.41

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Solution

The fourth proportional to 499,501.77, 689,298.45 and 273,142.41 is: 376,928.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,501.77 : 689,298.45 = 273,142.41 : x
  2. Step 2: Convert to fraction form
    499,501.77/689,298.45 = 273,142.41/x
  3. Step 3: Cross multiply
    499,501.77x = 689,298.45 × 273,142.41
  4. Step 4: Simplify right side
    499,501.77x = 188,276,639,842.26
  5. Step 5: Solve for x
    x = 188,276,639,842.26/499,501.77
  6. Step 6: Final answer
    x = 376,928.87

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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.