Home / 499,206.20-688,953-295,322.75

Finding the Fourth Proportional to 499,206.20, 688,953 and 295,322.75

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Solution

The fourth proportional to 499,206.20, 688,953 and 295,322.75 is: 407,574.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,206.20 : 688,953 = 295,322.75 : x
  2. Step 2: Convert to fraction form
    499,206.20/688,953 = 295,322.75/x
  3. Step 3: Cross multiply
    499,206.20x = 688,953 × 295,322.75
  4. Step 4: Simplify right side
    499,206.20x = 203,463,491,135.99
  5. Step 5: Solve for x
    x = 203,463,491,135.99/499,206.20
  6. Step 6: Final answer
    x = 407,574.05

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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.