Home / 851,554.15-1,275,885.26-513,885.27

Finding the Fourth Proportional to 851,554.15, 1,275,885.26 and 513,885.27

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Solution

The fourth proportional to 851,554.15, 1,275,885.26 and 513,885.27 is: 769,955.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,554.15 : 1,275,885.26 = 513,885.27 : x
  2. Step 2: Convert to fraction form
    851,554.15/1,275,885.26 = 513,885.27/x
  3. Step 3: Cross multiply
    851,554.15x = 1,275,885.26 × 513,885.27
  4. Step 4: Simplify right side
    851,554.15x = 655,658,641,324.12
  5. Step 5: Solve for x
    x = 655,658,641,324.12/851,554.15
  6. Step 6: Final answer
    x = 769,955.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.