Home / 762,254.66-1,051,912.95-418,093.40

Finding the Fourth Proportional to 762,254.66, 1,051,912.95 and 418,093.40

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Solution

The fourth proportional to 762,254.66, 1,051,912.95 and 418,093.40 is: 576,969.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,254.66 : 1,051,912.95 = 418,093.40 : x
  2. Step 2: Convert to fraction form
    762,254.66/1,051,912.95 = 418,093.40/x
  3. Step 3: Cross multiply
    762,254.66x = 1,051,912.95 × 418,093.40
  4. Step 4: Simplify right side
    762,254.66x = 439,797,861,769.53
  5. Step 5: Solve for x
    x = 439,797,861,769.53/762,254.66
  6. Step 6: Final answer
    x = 576,969.73

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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.