Home / 674,996.80-1,012,495.20-635,630.80

Finding the Fourth Proportional to 674,996.80, 1,012,495.20 and 635,630.80

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Solution

The fourth proportional to 674,996.80, 1,012,495.20 and 635,630.80 is: 953,446.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,996.80 : 1,012,495.20 = 635,630.80 : x
  2. Step 2: Convert to fraction form
    674,996.80/1,012,495.20 = 635,630.80/x
  3. Step 3: Cross multiply
    674,996.80x = 1,012,495.20 × 635,630.80
  4. Step 4: Simplify right side
    674,996.80x = 643,573,133,972.16
  5. Step 5: Solve for x
    x = 643,573,133,972.16/674,996.80
  6. Step 6: Final answer
    x = 953,446.20

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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.