Home / 876,883.20-1,315,324.80-404,491.20

Finding the Fourth Proportional to 876,883.20, 1,315,324.80 and 404,491.20

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Solution

The fourth proportional to 876,883.20, 1,315,324.80 and 404,491.20 is: 606,736.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,883.20 : 1,315,324.80 = 404,491.20 : x
  2. Step 2: Convert to fraction form
    876,883.20/1,315,324.80 = 404,491.20/x
  3. Step 3: Cross multiply
    876,883.20x = 1,315,324.80 × 404,491.20
  4. Step 4: Simplify right side
    876,883.20x = 532,037,306,741.76
  5. Step 5: Solve for x
    x = 532,037,306,741.76/876,883.20
  6. Step 6: Final answer
    x = 606,736.80

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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.