Home / 790,813.59-1,091,400.82-451,332.63

Finding the Fourth Proportional to 790,813.59, 1,091,400.82 and 451,332.63

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Solution

The fourth proportional to 790,813.59, 1,091,400.82 and 451,332.63 is: 622,883.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,813.59 : 1,091,400.82 = 451,332.63 : x
  2. Step 2: Convert to fraction form
    790,813.59/1,091,400.82 = 451,332.63/x
  3. Step 3: Cross multiply
    790,813.59x = 1,091,400.82 × 451,332.63
  4. Step 4: Simplify right side
    790,813.59x = 492,584,800,218.09
  5. Step 5: Solve for x
    x = 492,584,800,218.09/790,813.59
  6. Step 6: Final answer
    x = 622,883.58

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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.