Home / 864,273.11-1,192,697.87-482,299.79

Finding the Fourth Proportional to 864,273.11, 1,192,697.87 and 482,299.79

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Solution

The fourth proportional to 864,273.11, 1,192,697.87 and 482,299.79 is: 665,574.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,273.11 : 1,192,697.87 = 482,299.79 : x
  2. Step 2: Convert to fraction form
    864,273.11/1,192,697.87 = 482,299.79/x
  3. Step 3: Cross multiply
    864,273.11x = 1,192,697.87 × 482,299.79
  4. Step 4: Simplify right side
    864,273.11x = 575,237,923,859.46
  5. Step 5: Solve for x
    x = 575,237,923,859.46/864,273.11
  6. Step 6: Final answer
    x = 665,574.25

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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.