Home / 873,028.70-1,204,767.51-491,055.74

Finding the Fourth Proportional to 873,028.70, 1,204,767.51 and 491,055.74

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Solution

The fourth proportional to 873,028.70, 1,204,767.51 and 491,055.74 is: 677,650.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,028.70 : 1,204,767.51 = 491,055.74 : x
  2. Step 2: Convert to fraction form
    873,028.70/1,204,767.51 = 491,055.74/x
  3. Step 3: Cross multiply
    873,028.70x = 1,204,767.51 × 491,055.74
  4. Step 4: Simplify right side
    873,028.70x = 591,608,001,151.01
  5. Step 5: Solve for x
    x = 591,608,001,151.01/873,028.70
  6. Step 6: Final answer
    x = 677,650.12

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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.