Home / 856,418.40-1,284,627.60-501,832.80

Finding the Fourth Proportional to 856,418.40, 1,284,627.60 and 501,832.80

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Solution

The fourth proportional to 856,418.40, 1,284,627.60 and 501,832.80 is: 752,749.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,418.40 : 1,284,627.60 = 501,832.80 : x
  2. Step 2: Convert to fraction form
    856,418.40/1,284,627.60 = 501,832.80/x
  3. Step 3: Cross multiply
    856,418.40x = 1,284,627.60 × 501,832.80
  4. Step 4: Simplify right side
    856,418.40x = 644,668,265,465.28
  5. Step 5: Solve for x
    x = 644,668,265,465.28/856,418.40
  6. Step 6: Final answer
    x = 752,749.20

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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.