Home / 757,279.90-1,134,537.45-461,446.30

Finding the Fourth Proportional to 757,279.90, 1,134,537.45 and 461,446.30

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Solution

The fourth proportional to 757,279.90, 1,134,537.45 and 461,446.30 is: 691,327.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,279.90 : 1,134,537.45 = 461,446.30 : x
  2. Step 2: Convert to fraction form
    757,279.90/1,134,537.45 = 461,446.30/x
  3. Step 3: Cross multiply
    757,279.90x = 1,134,537.45 × 461,446.30
  4. Step 4: Simplify right side
    757,279.90x = 523,528,108,513.94
  5. Step 5: Solve for x
    x = 523,528,108,513.94/757,279.90
  6. Step 6: Final answer
    x = 691,327.09

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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.