Home / 756,990.56-1,134,550.87-649,619.80

Finding the Fourth Proportional to 756,990.56, 1,134,550.87 and 649,619.80

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Solution

The fourth proportional to 756,990.56, 1,134,550.87 and 649,619.80 is: 973,627.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,990.56 : 1,134,550.87 = 649,619.80 : x
  2. Step 2: Convert to fraction form
    756,990.56/1,134,550.87 = 649,619.80/x
  3. Step 3: Cross multiply
    756,990.56x = 1,134,550.87 × 649,619.80
  4. Step 4: Simplify right side
    756,990.56x = 737,026,704,798.80
  5. Step 5: Solve for x
    x = 737,026,704,798.80/756,990.56
  6. Step 6: Final answer
    x = 973,627.34

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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.