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Finding the Fourth Proportional to 550,023.91, 824,866.97 and 380,335.91

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Solution

The fourth proportional to 550,023.91, 824,866.97 and 380,335.91 is: 570,387.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,023.91 : 824,866.97 = 380,335.91 : x
  2. Step 2: Convert to fraction form
    550,023.91/824,866.97 = 380,335.91/x
  3. Step 3: Cross multiply
    550,023.91x = 824,866.97 × 380,335.91
  4. Step 4: Simplify right side
    550,023.91x = 313,726,523,637.88
  5. Step 5: Solve for x
    x = 313,726,523,637.88/550,023.91
  6. Step 6: Final answer
    x = 570,387.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.