Home / 856,410.40-1,284,615.60-501,824.80

Finding the Fourth Proportional to 856,410.40, 1,284,615.60 and 501,824.80

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Solution

The fourth proportional to 856,410.40, 1,284,615.60 and 501,824.80 is: 752,737.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,410.40 : 1,284,615.60 = 501,824.80 : x
  2. Step 2: Convert to fraction form
    856,410.40/1,284,615.60 = 501,824.80/x
  3. Step 3: Cross multiply
    856,410.40x = 1,284,615.60 × 501,824.80
  4. Step 4: Simplify right side
    856,410.40x = 644,651,966,546.88
  5. Step 5: Solve for x
    x = 644,651,966,546.88/856,410.40
  6. Step 6: Final answer
    x = 752,737.20

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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.