Home / 847,761.80-1,273,716.30-637,809.80

Finding the Fourth Proportional to 847,761.80, 1,273,716.30 and 637,809.80

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Solution

The fourth proportional to 847,761.80, 1,273,716.30 and 637,809.80 is: 958,274.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,761.80 : 1,273,716.30 = 637,809.80 : x
  2. Step 2: Convert to fraction form
    847,761.80/1,273,716.30 = 637,809.80/x
  3. Step 3: Cross multiply
    847,761.80x = 1,273,716.30 × 637,809.80
  4. Step 4: Simplify right side
    847,761.80x = 812,388,738,559.74
  5. Step 5: Solve for x
    x = 812,388,738,559.74/847,761.80
  6. Step 6: Final answer
    x = 958,274.76

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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.