Home / 727,229.76-1,003,567.50-400,536.50

Finding the Fourth Proportional to 727,229.76, 1,003,567.50 and 400,536.50

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Solution

The fourth proportional to 727,229.76, 1,003,567.50 and 400,536.50 is: 552,735.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,229.76 : 1,003,567.50 = 400,536.50 : x
  2. Step 2: Convert to fraction form
    727,229.76/1,003,567.50 = 400,536.50/x
  3. Step 3: Cross multiply
    727,229.76x = 1,003,567.50 × 400,536.50
  4. Step 4: Simplify right side
    727,229.76x = 401,965,406,943.23
  5. Step 5: Solve for x
    x = 401,965,406,943.23/727,229.76
  6. Step 6: Final answer
    x = 552,735.09

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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.