Home / 957,563.92-1,321,429.26-521,981.20

Finding the Fourth Proportional to 957,563.92, 1,321,429.26 and 521,981.20

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Solution

The fourth proportional to 957,563.92, 1,321,429.26 and 521,981.20 is: 720,329.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,563.92 : 1,321,429.26 = 521,981.20 : x
  2. Step 2: Convert to fraction form
    957,563.92/1,321,429.26 = 521,981.20/x
  3. Step 3: Cross multiply
    957,563.92x = 1,321,429.26 × 521,981.20
  4. Step 4: Simplify right side
    957,563.92x = 689,761,230,849.91
  5. Step 5: Solve for x
    x = 689,761,230,849.91/957,563.92
  6. Step 6: Final answer
    x = 720,329.18

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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.