Home / 757,540.36-1,045,375.14-418,004.20

Finding the Fourth Proportional to 757,540.36, 1,045,375.14 and 418,004.20

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Solution

The fourth proportional to 757,540.36, 1,045,375.14 and 418,004.20 is: 576,828.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,540.36 : 1,045,375.14 = 418,004.20 : x
  2. Step 2: Convert to fraction form
    757,540.36/1,045,375.14 = 418,004.20/x
  3. Step 3: Cross multiply
    757,540.36x = 1,045,375.14 × 418,004.20
  4. Step 4: Simplify right side
    757,540.36x = 436,971,199,095.59
  5. Step 5: Solve for x
    x = 436,971,199,095.59/757,540.36
  6. Step 6: Final answer
    x = 576,828.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.