Home / 857,756.70-1,183,846.20-475,906.50

Finding the Fourth Proportional to 857,756.70, 1,183,846.20 and 475,906.50

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Solution

The fourth proportional to 857,756.70, 1,183,846.20 and 475,906.50 is: 656,829.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,756.70 : 1,183,846.20 = 475,906.50 : x
  2. Step 2: Convert to fraction form
    857,756.70/1,183,846.20 = 475,906.50/x
  3. Step 3: Cross multiply
    857,756.70x = 1,183,846.20 × 475,906.50
  4. Step 4: Simplify right side
    857,756.70x = 563,400,101,580.30
  5. Step 5: Solve for x
    x = 563,400,101,580.30/857,756.70
  6. Step 6: Final answer
    x = 656,829.73

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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.