Home / 777,854.94-1,073,526.57-491,361.18

Finding the Fourth Proportional to 777,854.94, 1,073,526.57 and 491,361.18

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Solution

The fourth proportional to 777,854.94, 1,073,526.57 and 491,361.18 is: 678,133.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,854.94 : 1,073,526.57 = 491,361.18 : x
  2. Step 2: Convert to fraction form
    777,854.94/1,073,526.57 = 491,361.18/x
  3. Step 3: Cross multiply
    777,854.94x = 1,073,526.57 × 491,361.18
  4. Step 4: Simplify right side
    777,854.94x = 527,489,282,196.55
  5. Step 5: Solve for x
    x = 527,489,282,196.55/777,854.94
  6. Step 6: Final answer
    x = 678,133.23

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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.