Home / 733,743.60-1,100,615.40-647,138.40

Finding the Fourth Proportional to 733,743.60, 1,100,615.40 and 647,138.40

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Solution

The fourth proportional to 733,743.60, 1,100,615.40 and 647,138.40 is: 970,707.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    733,743.60 : 1,100,615.40 = 647,138.40 : x
  2. Step 2: Convert to fraction form
    733,743.60/1,100,615.40 = 647,138.40/x
  3. Step 3: Cross multiply
    733,743.60x = 1,100,615.40 × 647,138.40
  4. Step 4: Simplify right side
    733,743.60x = 712,250,488,971.36
  5. Step 5: Solve for x
    x = 712,250,488,971.36/733,743.60
  6. Step 6: Final answer
    x = 970,707.60

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1.5x scale

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.