Home / 487,635.51-673,072.28-283,725.83

Finding the Fourth Proportional to 487,635.51, 673,072.28 and 283,725.83

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Solution

The fourth proportional to 487,635.51, 673,072.28 and 283,725.83 is: 391,620.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,635.51 : 673,072.28 = 283,725.83 : x
  2. Step 2: Convert to fraction form
    487,635.51/673,072.28 = 283,725.83/x
  3. Step 3: Cross multiply
    487,635.51x = 673,072.28 × 283,725.83
  4. Step 4: Simplify right side
    487,635.51x = 190,967,991,292.99
  5. Step 5: Solve for x
    x = 190,967,991,292.99/487,635.51
  6. Step 6: Final answer
    x = 391,620.35

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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.