Home / 499,164.39-688,988.16-295,286.18

Finding the Fourth Proportional to 499,164.39, 688,988.16 and 295,286.18

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Solution

The fourth proportional to 499,164.39, 688,988.16 and 295,286.18 is: 407,578.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,164.39 : 688,988.16 = 295,286.18 : x
  2. Step 2: Convert to fraction form
    499,164.39/688,988.16 = 295,286.18/x
  3. Step 3: Cross multiply
    499,164.39x = 688,988.16 × 295,286.18
  4. Step 4: Simplify right side
    499,164.39x = 203,448,678,386.69
  5. Step 5: Solve for x
    x = 203,448,678,386.69/499,164.39
  6. Step 6: Final answer
    x = 407,578.51

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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.