Home / 663,116.63-994,869.04-213,828.46

Finding the Fourth Proportional to 663,116.63, 994,869.04 and 213,828.46

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Solution

The fourth proportional to 663,116.63, 994,869.04 and 213,828.46 is: 320,805.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,116.63 : 994,869.04 = 213,828.46 : x
  2. Step 2: Convert to fraction form
    663,116.63/994,869.04 = 213,828.46/x
  3. Step 3: Cross multiply
    663,116.63x = 994,869.04 × 213,828.46
  4. Step 4: Simplify right side
    663,116.63x = 212,731,314,724.88
  5. Step 5: Solve for x
    x = 212,731,314,724.88/663,116.63
  6. Step 6: Final answer
    x = 320,805.28

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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.