Home / 499,366.28-689,125.32-273,011.76

Finding the Fourth Proportional to 499,366.28, 689,125.32 and 273,011.76

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Solution

The fourth proportional to 499,366.28, 689,125.32 and 273,011.76 is: 376,756.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,366.28 : 689,125.32 = 273,011.76 : x
  2. Step 2: Convert to fraction form
    499,366.28/689,125.32 = 273,011.76/x
  3. Step 3: Cross multiply
    499,366.28x = 689,125.32 × 273,011.76
  4. Step 4: Simplify right side
    499,366.28x = 188,139,316,473.76
  5. Step 5: Solve for x
    x = 188,139,316,473.76/499,366.28
  6. Step 6: Final answer
    x = 376,756.15

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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.