Home / 727,267.55-1,090,142.96-406,949.81

Finding the Fourth Proportional to 727,267.55, 1,090,142.96 and 406,949.81

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Solution

The fourth proportional to 727,267.55, 1,090,142.96 and 406,949.81 is: 610,000.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,267.55 : 1,090,142.96 = 406,949.81 : x
  2. Step 2: Convert to fraction form
    727,267.55/1,090,142.96 = 406,949.81/x
  3. Step 3: Cross multiply
    727,267.55x = 1,090,142.96 × 406,949.81
  4. Step 4: Simplify right side
    727,267.55x = 443,633,462,959.37
  5. Step 5: Solve for x
    x = 443,633,462,959.37/727,267.55
  6. Step 6: Final answer
    x = 610,000.36

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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.