Home / 757,883.39-1,045,879.29-418,351.64

Finding the Fourth Proportional to 757,883.39, 1,045,879.29 and 418,351.64

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Solution

The fourth proportional to 757,883.39, 1,045,879.29 and 418,351.64 is: 577,325.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,883.39 : 1,045,879.29 = 418,351.64 : x
  2. Step 2: Convert to fraction form
    757,883.39/1,045,879.29 = 418,351.64/x
  3. Step 3: Cross multiply
    757,883.39x = 1,045,879.29 × 418,351.64
  4. Step 4: Simplify right side
    757,883.39x = 437,545,310,984.14
  5. Step 5: Solve for x
    x = 437,545,310,984.14/757,883.39
  6. Step 6: Final answer
    x = 577,325.38

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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.