Home / 571,898.08-789,190.32-317,243.80

Finding the Fourth Proportional to 571,898.08, 789,190.32 and 317,243.80

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Solution

The fourth proportional to 571,898.08, 789,190.32 and 317,243.80 is: 437,780.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,898.08 : 789,190.32 = 317,243.80 : x
  2. Step 2: Convert to fraction form
    571,898.08/789,190.32 = 317,243.80/x
  3. Step 3: Cross multiply
    571,898.08x = 789,190.32 × 317,243.80
  4. Step 4: Simplify right side
    571,898.08x = 250,365,736,040.02
  5. Step 5: Solve for x
    x = 250,365,736,040.02/571,898.08
  6. Step 6: Final answer
    x = 437,780.34

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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.