Home / 826,609.35-1,140,720.32-464,033.91

Finding the Fourth Proportional to 826,609.35, 1,140,720.32 and 464,033.91

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Solution

The fourth proportional to 826,609.35, 1,140,720.32 and 464,033.91 is: 640,366.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,609.35 : 1,140,720.32 = 464,033.91 : x
  2. Step 2: Convert to fraction form
    826,609.35/1,140,720.32 = 464,033.91/x
  3. Step 3: Cross multiply
    826,609.35x = 1,140,720.32 × 464,033.91
  4. Step 4: Simplify right side
    826,609.35x = 529,332,907,985.88
  5. Step 5: Solve for x
    x = 529,332,907,985.88/826,609.35
  6. Step 6: Final answer
    x = 640,366.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.