Home / 790,435.94-1,091,430.38-729,984.47

Finding the Fourth Proportional to 790,435.94, 1,091,430.38 and 729,984.47

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Solution

The fourth proportional to 790,435.94, 1,091,430.38 and 729,984.47 is: 1,007,959.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,435.94 : 1,091,430.38 = 729,984.47 : x
  2. Step 2: Convert to fraction form
    790,435.94/1,091,430.38 = 729,984.47/x
  3. Step 3: Cross multiply
    790,435.94x = 1,091,430.38 × 729,984.47
  4. Step 4: Simplify right side
    790,435.94x = 796,727,223,854.01
  5. Step 5: Solve for x
    x = 796,727,223,854.01/790,435.94
  6. Step 6: Final answer
    x = 1,007,959.26

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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.