Home / 727,229.39-1,003,566.98-400,536.12

Finding the Fourth Proportional to 727,229.39, 1,003,566.98 and 400,536.12

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Solution

The fourth proportional to 727,229.39, 1,003,566.98 and 400,536.12 is: 552,734.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,229.39 : 1,003,566.98 = 400,536.12 : x
  2. Step 2: Convert to fraction form
    727,229.39/1,003,566.98 = 400,536.12/x
  3. Step 3: Cross multiply
    727,229.39x = 1,003,566.98 × 400,536.12
  4. Step 4: Simplify right side
    727,229.39x = 401,964,823,327.98
  5. Step 5: Solve for x
    x = 401,964,823,327.98/727,229.39
  6. Step 6: Final answer
    x = 552,734.57

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1.5x scale

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.