Home / 636,971.04-955,463.85-216,279.72

Finding the Fourth Proportional to 636,971.04, 955,463.85 and 216,279.72

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Solution

The fourth proportional to 636,971.04, 955,463.85 and 216,279.72 is: 324,422.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,971.04 : 955,463.85 = 216,279.72 : x
  2. Step 2: Convert to fraction form
    636,971.04/955,463.85 = 216,279.72/x
  3. Step 3: Cross multiply
    636,971.04x = 955,463.85 × 216,279.72
  4. Step 4: Simplify right side
    636,971.04x = 206,647,453,948.12
  5. Step 5: Solve for x
    x = 206,647,453,948.12/636,971.04
  6. Step 6: Final answer
    x = 324,422.06

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1.5x scale

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.