Home / 818,536.66-1,129,563.57-455,960.02

Finding the Fourth Proportional to 818,536.66, 1,129,563.57 and 455,960.02

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Solution

The fourth proportional to 818,536.66, 1,129,563.57 and 455,960.02 is: 629,215.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,536.66 : 1,129,563.57 = 455,960.02 : x
  2. Step 2: Convert to fraction form
    818,536.66/1,129,563.57 = 455,960.02/x
  3. Step 3: Cross multiply
    818,536.66x = 1,129,563.57 × 455,960.02
  4. Step 4: Simplify right side
    818,536.66x = 515,035,827,968.47
  5. Step 5: Solve for x
    x = 515,035,827,968.47/818,536.66
  6. Step 6: Final answer
    x = 629,215.35

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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.