Home / 925,130.48-1,387,826.16-285,486.27

Finding the Fourth Proportional to 925,130.48, 1,387,826.16 and 285,486.27

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Solution

The fourth proportional to 925,130.48, 1,387,826.16 and 285,486.27 is: 428,269.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,130.48 : 1,387,826.16 = 285,486.27 : x
  2. Step 2: Convert to fraction form
    925,130.48/1,387,826.16 = 285,486.27/x
  3. Step 3: Cross multiply
    925,130.48x = 1,387,826.16 × 285,486.27
  4. Step 4: Simplify right side
    925,130.48x = 396,205,313,826.82
  5. Step 5: Solve for x
    x = 396,205,313,826.82/925,130.48
  6. Step 6: Final answer
    x = 428,269.66

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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.