Home / 957,201.10-1,320,920.41-521,622.24

Finding the Fourth Proportional to 957,201.10, 1,320,920.41 and 521,622.24

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Solution

The fourth proportional to 957,201.10, 1,320,920.41 and 521,622.24 is: 719,829.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,201.10 : 1,320,920.41 = 521,622.24 : x
  2. Step 2: Convert to fraction form
    957,201.10/1,320,920.41 = 521,622.24/x
  3. Step 3: Cross multiply
    957,201.10x = 1,320,920.41 × 521,622.24
  4. Step 4: Simplify right side
    957,201.10x = 689,021,463,125.92
  5. Step 5: Solve for x
    x = 689,021,463,125.92/957,201.10
  6. Step 6: Final answer
    x = 719,829.37

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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.