Home / 826,609.85-1,140,721-464,034.41

Finding the Fourth Proportional to 826,609.85, 1,140,721 and 464,034.41

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Solution

The fourth proportional to 826,609.85, 1,140,721 and 464,034.41 is: 640,367.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,609.85 : 1,140,721 = 464,034.41 : x
  2. Step 2: Convert to fraction form
    826,609.85/1,140,721 = 464,034.41/x
  3. Step 3: Cross multiply
    826,609.85x = 1,140,721 × 464,034.41
  4. Step 4: Simplify right side
    826,609.85x = 529,333,796,209.61
  5. Step 5: Solve for x
    x = 529,333,796,209.61/826,609.85
  6. Step 6: Final answer
    x = 640,367.15

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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.