Home / 876,519.27-1,314,853.84-307,850.87

Finding the Fourth Proportional to 876,519.27, 1,314,853.84 and 307,850.87

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Solution

The fourth proportional to 876,519.27, 1,314,853.84 and 307,850.87 is: 461,802.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,519.27 : 1,314,853.84 = 307,850.87 : x
  2. Step 2: Convert to fraction form
    876,519.27/1,314,853.84 = 307,850.87/x
  3. Step 3: Cross multiply
    876,519.27x = 1,314,853.84 × 307,850.87
  4. Step 4: Simplify right side
    876,519.27x = 404,778,891,222.94
  5. Step 5: Solve for x
    x = 404,778,891,222.94/876,519.27
  6. Step 6: Final answer
    x = 461,802.62

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1.5x scale

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.