Home / 487,920.24-673,333.36-273,080.30

Finding the Fourth Proportional to 487,920.24, 673,333.36 and 273,080.30

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Solution

The fourth proportional to 487,920.24, 673,333.36 and 273,080.30 is: 376,852.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,920.24 : 673,333.36 = 273,080.30 : x
  2. Step 2: Convert to fraction form
    487,920.24/673,333.36 = 273,080.30/x
  3. Step 3: Cross multiply
    487,920.24x = 673,333.36 × 273,080.30
  4. Step 4: Simplify right side
    487,920.24x = 183,874,071,899.44
  5. Step 5: Solve for x
    x = 183,874,071,899.44/487,920.24
  6. Step 6: Final answer
    x = 376,852.72

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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.