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Finding the Fourth Proportional to 540,180.89, 745,464.68 and 298,479.12

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Solution

The fourth proportional to 540,180.89, 745,464.68 and 298,479.12 is: 411,909.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,180.89 : 745,464.68 = 298,479.12 : x
  2. Step 2: Convert to fraction form
    540,180.89/745,464.68 = 298,479.12/x
  3. Step 3: Cross multiply
    540,180.89x = 745,464.68 × 298,479.12
  4. Step 4: Simplify right side
    540,180.89x = 222,505,640,185.09
  5. Step 5: Solve for x
    x = 222,505,640,185.09/540,180.89
  6. Step 6: Final answer
    x = 411,909.50

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1.5x scale

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.