Home / 750,839.09-1,036,183.82-411,307.34

Finding the Fourth Proportional to 750,839.09, 1,036,183.82 and 411,307.34

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Solution

The fourth proportional to 750,839.09, 1,036,183.82 and 411,307.34 is: 567,618.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,839.09 : 1,036,183.82 = 411,307.34 : x
  2. Step 2: Convert to fraction form
    750,839.09/1,036,183.82 = 411,307.34/x
  3. Step 3: Cross multiply
    750,839.09x = 1,036,183.82 × 411,307.34
  4. Step 4: Simplify right side
    750,839.09x = 426,190,003,517.78
  5. Step 5: Solve for x
    x = 426,190,003,517.78/750,839.09
  6. Step 6: Final answer
    x = 567,618.30

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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.