Home / 727,755.49-1,004,309.43-401,080.44

Finding the Fourth Proportional to 727,755.49, 1,004,309.43 and 401,080.44

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Solution

The fourth proportional to 727,755.49, 1,004,309.43 and 401,080.44 is: 553,494.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,755.49 : 1,004,309.43 = 401,080.44 : x
  2. Step 2: Convert to fraction form
    727,755.49/1,004,309.43 = 401,080.44/x
  3. Step 3: Cross multiply
    727,755.49x = 1,004,309.43 × 401,080.44
  4. Step 4: Simplify right side
    727,755.49x = 402,808,872,598.74
  5. Step 5: Solve for x
    x = 402,808,872,598.74/727,755.49
  6. Step 6: Final answer
    x = 553,494.79

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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.