Home / 921,158.70-1,383,163.65-501,254.70

Finding the Fourth Proportional to 921,158.70, 1,383,163.65 and 501,254.70

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Solution

The fourth proportional to 921,158.70, 1,383,163.65 and 501,254.70 is: 752,657.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,158.70 : 1,383,163.65 = 501,254.70 : x
  2. Step 2: Convert to fraction form
    921,158.70/1,383,163.65 = 501,254.70/x
  3. Step 3: Cross multiply
    921,158.70x = 1,383,163.65 × 501,254.70
  4. Step 4: Simplify right side
    921,158.70x = 693,317,280,431.66
  5. Step 5: Solve for x
    x = 693,317,280,431.66/921,158.70
  6. Step 6: Final answer
    x = 752,657.80

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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.