Home / 757,271.40-1,134,524.70-461,437.80

Finding the Fourth Proportional to 757,271.40, 1,134,524.70 and 461,437.80

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Solution

The fourth proportional to 757,271.40, 1,134,524.70 and 461,437.80 is: 691,314.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,271.40 : 1,134,524.70 = 461,437.80 : x
  2. Step 2: Convert to fraction form
    757,271.40/1,134,524.70 = 461,437.80/x
  3. Step 3: Cross multiply
    757,271.40x = 1,134,524.70 × 461,437.80
  4. Step 4: Simplify right side
    757,271.40x = 523,512,581,613.66
  5. Step 5: Solve for x
    x = 523,512,581,613.66/757,271.40
  6. Step 6: Final answer
    x = 691,314.34

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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.