Home / 867,077.80-1,300,616.70-727,109.80

Finding the Fourth Proportional to 867,077.80, 1,300,616.70 and 727,109.80

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Solution

The fourth proportional to 867,077.80, 1,300,616.70 and 727,109.80 is: 1,090,664.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,077.80 : 1,300,616.70 = 727,109.80 : x
  2. Step 2: Convert to fraction form
    867,077.80/1,300,616.70 = 727,109.80/x
  3. Step 3: Cross multiply
    867,077.80x = 1,300,616.70 × 727,109.80
  4. Step 4: Simplify right side
    867,077.80x = 945,691,148,613.66
  5. Step 5: Solve for x
    x = 945,691,148,613.66/867,077.80
  6. Step 6: Final answer
    x = 1,090,664.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.