Home / 829,481.45-1,144,871.01-542,835.41

Finding the Fourth Proportional to 829,481.45, 1,144,871.01 and 542,835.41

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Solution

The fourth proportional to 829,481.45, 1,144,871.01 and 542,835.41 is: 749,234.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,481.45 : 1,144,871.01 = 542,835.41 : x
  2. Step 2: Convert to fraction form
    829,481.45/1,144,871.01 = 542,835.41/x
  3. Step 3: Cross multiply
    829,481.45x = 1,144,871.01 × 542,835.41
  4. Step 4: Simplify right side
    829,481.45x = 621,476,518,386.11
  5. Step 5: Solve for x
    x = 621,476,518,386.11/829,481.45
  6. Step 6: Final answer
    x = 749,234.99

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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.