Home / 809,415.51-1,116,987.12-446,839.89

Finding the Fourth Proportional to 809,415.51, 1,116,987.12 and 446,839.89

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Solution

The fourth proportional to 809,415.51, 1,116,987.12 and 446,839.89 is: 616,635.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,415.51 : 1,116,987.12 = 446,839.89 : x
  2. Step 2: Convert to fraction form
    809,415.51/1,116,987.12 = 446,839.89/x
  3. Step 3: Cross multiply
    809,415.51x = 1,116,987.12 × 446,839.89
  4. Step 4: Simplify right side
    809,415.51x = 499,114,401,832.22
  5. Step 5: Solve for x
    x = 499,114,401,832.22/809,415.51
  6. Step 6: Final answer
    x = 616,635.58

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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.