Home / 890,389.56-1,230,367.06-648,251.86

Finding the Fourth Proportional to 890,389.56, 1,230,367.06 and 648,251.86

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Solution

The fourth proportional to 890,389.56, 1,230,367.06 and 648,251.86 is: 895,773.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,389.56 : 1,230,367.06 = 648,251.86 : x
  2. Step 2: Convert to fraction form
    890,389.56/1,230,367.06 = 648,251.86/x
  3. Step 3: Cross multiply
    890,389.56x = 1,230,367.06 × 648,251.86
  4. Step 4: Simplify right side
    890,389.56x = 797,587,735,127.73
  5. Step 5: Solve for x
    x = 797,587,735,127.73/890,389.56
  6. Step 6: Final answer
    x = 895,773.91

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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.