Home / 648,429.62-894,829.46-376,564.36

Finding the Fourth Proportional to 648,429.62, 894,829.46 and 376,564.36

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Solution

The fourth proportional to 648,429.62, 894,829.46 and 376,564.36 is: 519,656.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,429.62 : 894,829.46 = 376,564.36 : x
  2. Step 2: Convert to fraction form
    648,429.62/894,829.46 = 376,564.36/x
  3. Step 3: Cross multiply
    648,429.62x = 894,829.46 × 376,564.36
  4. Step 4: Simplify right side
    648,429.62x = 336,960,882,914.05
  5. Step 5: Solve for x
    x = 336,960,882,914.05/648,429.62
  6. Step 6: Final answer
    x = 519,656.83

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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.