Home / 753,858.80-1,040,313.06-414,319.76

Finding the Fourth Proportional to 753,858.80, 1,040,313.06 and 414,319.76

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Solution

The fourth proportional to 753,858.80, 1,040,313.06 and 414,319.76 is: 571,754.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,858.80 : 1,040,313.06 = 414,319.76 : x
  2. Step 2: Convert to fraction form
    753,858.80/1,040,313.06 = 414,319.76/x
  3. Step 3: Cross multiply
    753,858.80x = 1,040,313.06 × 414,319.76
  4. Step 4: Simplify right side
    753,858.80x = 431,022,257,344.07
  5. Step 5: Solve for x
    x = 431,022,257,344.07/753,858.80
  6. Step 6: Final answer
    x = 571,754.63

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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.