Home / 810,846.90-1,214,443.53-629,488.59

Finding the Fourth Proportional to 810,846.90, 1,214,443.53 and 629,488.59

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Solution

The fourth proportional to 810,846.90, 1,214,443.53 and 629,488.59 is: 942,814.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,846.90 : 1,214,443.53 = 629,488.59 : x
  2. Step 2: Convert to fraction form
    810,846.90/1,214,443.53 = 629,488.59/x
  3. Step 3: Cross multiply
    810,846.90x = 1,214,443.53 × 629,488.59
  4. Step 4: Simplify right side
    810,846.90x = 764,478,345,334.32
  5. Step 5: Solve for x
    x = 764,478,345,334.32/810,846.90
  6. Step 6: Final answer
    x = 942,814.66

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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.