Home / 636,022.90-953,441.43-215,004.34

Finding the Fourth Proportional to 636,022.90, 953,441.43 and 215,004.34

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Solution

The fourth proportional to 636,022.90, 953,441.43 and 215,004.34 is: 322,306.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,022.90 : 953,441.43 = 215,004.34 : x
  2. Step 2: Convert to fraction form
    636,022.90/953,441.43 = 215,004.34/x
  3. Step 3: Cross multiply
    636,022.90x = 953,441.43 × 215,004.34
  4. Step 4: Simplify right side
    636,022.90x = 204,994,045,385.81
  5. Step 5: Solve for x
    x = 204,994,045,385.81/636,022.90
  6. Step 6: Final answer
    x = 322,306.08

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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.