Home / 847,205.20-1,270,807.80-634,628.80

Finding the Fourth Proportional to 847,205.20, 1,270,807.80 and 634,628.80

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Solution

The fourth proportional to 847,205.20, 1,270,807.80 and 634,628.80 is: 951,943.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,205.20 : 1,270,807.80 = 634,628.80 : x
  2. Step 2: Convert to fraction form
    847,205.20/1,270,807.80 = 634,628.80/x
  3. Step 3: Cross multiply
    847,205.20x = 1,270,807.80 × 634,628.80
  4. Step 4: Simplify right side
    847,205.20x = 806,491,229,144.64
  5. Step 5: Solve for x
    x = 806,491,229,144.64/847,205.20
  6. Step 6: Final answer
    x = 951,943.20

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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.