Home / 688,676.29-1,033,032.92-215,361.65

Finding the Fourth Proportional to 688,676.29, 1,033,032.92 and 215,361.65

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Solution

The fourth proportional to 688,676.29, 1,033,032.92 and 215,361.65 is: 323,048.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,676.29 : 1,033,032.92 = 215,361.65 : x
  2. Step 2: Convert to fraction form
    688,676.29/1,033,032.92 = 215,361.65/x
  3. Step 3: Cross multiply
    688,676.29x = 1,033,032.92 × 215,361.65
  4. Step 4: Simplify right side
    688,676.29x = 222,475,674,155.52
  5. Step 5: Solve for x
    x = 222,475,674,155.52/688,676.29
  6. Step 6: Final answer
    x = 323,048.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.