Home / 826,653.24-1,140,780.61-464,077.80

Finding the Fourth Proportional to 826,653.24, 1,140,780.61 and 464,077.80

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Solution

The fourth proportional to 826,653.24, 1,140,780.61 and 464,077.80 is: 640,426.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,653.24 : 1,140,780.61 = 464,077.80 : x
  2. Step 2: Convert to fraction form
    826,653.24/1,140,780.61 = 464,077.80/x
  3. Step 3: Cross multiply
    826,653.24x = 1,140,780.61 × 464,077.80
  4. Step 4: Simplify right side
    826,653.24x = 529,410,955,771.46
  5. Step 5: Solve for x
    x = 529,410,955,771.46/826,653.24
  6. Step 6: Final answer
    x = 640,426.88

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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.