Home / 844,749.78-1,165,783.86-462,776.46

Finding the Fourth Proportional to 844,749.78, 1,165,783.86 and 462,776.46

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Solution

The fourth proportional to 844,749.78, 1,165,783.86 and 462,776.46 is: 638,647.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    844,749.78 : 1,165,783.86 = 462,776.46 : x
  2. Step 2: Convert to fraction form
    844,749.78/1,165,783.86 = 462,776.46/x
  3. Step 3: Cross multiply
    844,749.78x = 1,165,783.86 × 462,776.46
  4. Step 4: Simplify right side
    844,749.78x = 539,497,327,855.94
  5. Step 5: Solve for x
    x = 539,497,327,855.94/844,749.78
  6. Step 6: Final answer
    x = 638,647.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.