Home / 487,764.48-673,141.16-272,891.76

Finding the Fourth Proportional to 487,764.48, 673,141.16 and 272,891.76

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Solution

The fourth proportional to 487,764.48, 673,141.16 and 272,891.76 is: 376,605.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,764.48 : 673,141.16 = 272,891.76 : x
  2. Step 2: Convert to fraction form
    487,764.48/673,141.16 = 272,891.76/x
  3. Step 3: Cross multiply
    487,764.48x = 673,141.16 × 272,891.76
  4. Step 4: Simplify right side
    487,764.48x = 183,694,675,880.84
  5. Step 5: Solve for x
    x = 183,694,675,880.84/487,764.48
  6. Step 6: Final answer
    x = 376,605.27

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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.