Home / 925,048.59-1,387,722.43-285,202.55

Finding the Fourth Proportional to 925,048.59, 1,387,722.43 and 285,202.55

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Solution

The fourth proportional to 925,048.59, 1,387,722.43 and 285,202.55 is: 427,849.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,048.59 : 1,387,722.43 = 285,202.55 : x
  2. Step 2: Convert to fraction form
    925,048.59/1,387,722.43 = 285,202.55/x
  3. Step 3: Cross multiply
    925,048.59x = 1,387,722.43 × 285,202.55
  4. Step 4: Simplify right side
    925,048.59x = 395,781,977,771.49
  5. Step 5: Solve for x
    x = 395,781,977,771.49/925,048.59
  6. Step 6: Final answer
    x = 427,849.94

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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.