Home / 757,279.40-1,134,536.70-461,445.80

Finding the Fourth Proportional to 757,279.40, 1,134,536.70 and 461,445.80

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Solution

The fourth proportional to 757,279.40, 1,134,536.70 and 461,445.80 is: 691,326.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,279.40 : 1,134,536.70 = 461,445.80 : x
  2. Step 2: Convert to fraction form
    757,279.40/1,134,536.70 = 461,445.80/x
  3. Step 3: Cross multiply
    757,279.40x = 1,134,536.70 × 461,445.80
  4. Step 4: Simplify right side
    757,279.40x = 523,527,195,160.86
  5. Step 5: Solve for x
    x = 523,527,195,160.86/757,279.40
  6. Step 6: Final answer
    x = 691,326.34

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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.