Home / 571,790.07-789,164.78-317,223.27

Finding the Fourth Proportional to 571,790.07, 789,164.78 and 317,223.27

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Solution

The fourth proportional to 571,790.07, 789,164.78 and 317,223.27 is: 437,820.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,790.07 : 789,164.78 = 317,223.27 : x
  2. Step 2: Convert to fraction form
    571,790.07/789,164.78 = 317,223.27/x
  3. Step 3: Cross multiply
    571,790.07x = 789,164.78 × 317,223.27
  4. Step 4: Simplify right side
    571,790.07x = 250,341,430,494.31
  5. Step 5: Solve for x
    x = 250,341,430,494.31/571,790.07
  6. Step 6: Final answer
    x = 437,820.53

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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.