Home / 920,727.90-1,270,668.38-558,167.04

Finding the Fourth Proportional to 920,727.90, 1,270,668.38 and 558,167.04

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Solution

The fourth proportional to 920,727.90, 1,270,668.38 and 558,167.04 is: 770,309.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,727.90 : 1,270,668.38 = 558,167.04 : x
  2. Step 2: Convert to fraction form
    920,727.90/1,270,668.38 = 558,167.04/x
  3. Step 3: Cross multiply
    920,727.90x = 1,270,668.38 × 558,167.04
  4. Step 4: Simplify right side
    920,727.90x = 709,245,205,695.36
  5. Step 5: Solve for x
    x = 709,245,205,695.36/920,727.90
  6. Step 6: Final answer
    x = 770,309.24

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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.