Home / 753,218.66-1,039,007.85-451,237.70

Finding the Fourth Proportional to 753,218.66, 1,039,007.85 and 451,237.70

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Solution

The fourth proportional to 753,218.66, 1,039,007.85 and 451,237.70 is: 622,448.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,218.66 : 1,039,007.85 = 451,237.70 : x
  2. Step 2: Convert to fraction form
    753,218.66/1,039,007.85 = 451,237.70/x
  3. Step 3: Cross multiply
    753,218.66x = 1,039,007.85 × 451,237.70
  4. Step 4: Simplify right side
    753,218.66x = 468,839,512,515.95
  5. Step 5: Solve for x
    x = 468,839,512,515.95/753,218.66
  6. Step 6: Final answer
    x = 622,448.09

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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.