Home / 883,866.50-1,325,257.17-343,491.81

Finding the Fourth Proportional to 883,866.50, 1,325,257.17 and 343,491.81

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Solution

The fourth proportional to 883,866.50, 1,325,257.17 and 343,491.81 is: 515,026.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,866.50 : 1,325,257.17 = 343,491.81 : x
  2. Step 2: Convert to fraction form
    883,866.50/1,325,257.17 = 343,491.81/x
  3. Step 3: Cross multiply
    883,866.50x = 1,325,257.17 × 343,491.81
  4. Step 4: Simplify right side
    883,866.50x = 455,214,977,780.97
  5. Step 5: Solve for x
    x = 455,214,977,780.97/883,866.50
  6. Step 6: Final answer
    x = 515,026.85

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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.