Home / 756,819.48-1,044,663.96-450,991.79

Finding the Fourth Proportional to 756,819.48, 1,044,663.96 and 450,991.79

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Solution

The fourth proportional to 756,819.48, 1,044,663.96 and 450,991.79 is: 622,519.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,819.48 : 1,044,663.96 = 450,991.79 : x
  2. Step 2: Convert to fraction form
    756,819.48/1,044,663.96 = 450,991.79/x
  3. Step 3: Cross multiply
    756,819.48x = 1,044,663.96 × 450,991.79
  4. Step 4: Simplify right side
    756,819.48x = 471,134,875,530.51
  5. Step 5: Solve for x
    x = 471,134,875,530.51/756,819.48
  6. Step 6: Final answer
    x = 622,519.49

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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.