Home / 688,735.04-950,408.24-382,791.56

Finding the Fourth Proportional to 688,735.04, 950,408.24 and 382,791.56

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Solution

The fourth proportional to 688,735.04, 950,408.24 and 382,791.56 is: 528,226.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,735.04 : 950,408.24 = 382,791.56 : x
  2. Step 2: Convert to fraction form
    688,735.04/950,408.24 = 382,791.56/x
  3. Step 3: Cross multiply
    688,735.04x = 950,408.24 × 382,791.56
  4. Step 4: Simplify right side
    688,735.04x = 363,808,246,160.46
  5. Step 5: Solve for x
    x = 363,808,246,160.46/688,735.04
  6. Step 6: Final answer
    x = 528,226.72

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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.