Home / 876,350.80-1,315,100.91-307,717.23

Finding the Fourth Proportional to 876,350.80, 1,315,100.91 and 307,717.23

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Solution

The fourth proportional to 876,350.80, 1,315,100.91 and 307,717.23 is: 461,777.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,350.80 : 1,315,100.91 = 307,717.23 : x
  2. Step 2: Convert to fraction form
    876,350.80/1,315,100.91 = 307,717.23/x
  3. Step 3: Cross multiply
    876,350.80x = 1,315,100.91 × 307,717.23
  4. Step 4: Simplify right side
    876,350.80x = 404,679,207,883.81
  5. Step 5: Solve for x
    x = 404,679,207,883.81/876,350.80
  6. Step 6: Final answer
    x = 461,777.65

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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.