Home / 539,299.02-744,231.77-297,581.40

Finding the Fourth Proportional to 539,299.02, 744,231.77 and 297,581.40

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Solution

The fourth proportional to 539,299.02, 744,231.77 and 297,581.40 is: 410,661.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,299.02 : 744,231.77 = 297,581.40 : x
  2. Step 2: Convert to fraction form
    539,299.02/744,231.77 = 297,581.40/x
  3. Step 3: Cross multiply
    539,299.02x = 744,231.77 × 297,581.40
  4. Step 4: Simplify right side
    539,299.02x = 221,469,532,785.03
  5. Step 5: Solve for x
    x = 221,469,532,785.03/539,299.02
  6. Step 6: Final answer
    x = 410,661.85

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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.