Home / 876,737.21-1,313,943.12-450,255.83

Finding the Fourth Proportional to 876,737.21, 1,313,943.12 and 450,255.83

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Solution

The fourth proportional to 876,737.21, 1,313,943.12 and 450,255.83 is: 674,786.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,737.21 : 1,313,943.12 = 450,255.83 : x
  2. Step 2: Convert to fraction form
    876,737.21/1,313,943.12 = 450,255.83/x
  3. Step 3: Cross multiply
    876,737.21x = 1,313,943.12 × 450,255.83
  4. Step 4: Simplify right side
    876,737.21x = 591,610,543,498.67
  5. Step 5: Solve for x
    x = 591,610,543,498.67/876,737.21
  6. Step 6: Final answer
    x = 674,786.63

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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.