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Finding the Fourth Proportional to 539,880.22, 745,040.28 and 298,168.84

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Solution

The fourth proportional to 539,880.22, 745,040.28 and 298,168.84 is: 411,476.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,880.22 : 745,040.28 = 298,168.84 : x
  2. Step 2: Convert to fraction form
    539,880.22/745,040.28 = 298,168.84/x
  3. Step 3: Cross multiply
    539,880.22x = 745,040.28 × 298,168.84
  4. Step 4: Simplify right side
    539,880.22x = 222,147,796,040.88
  5. Step 5: Solve for x
    x = 222,147,796,040.88/539,880.22
  6. Step 6: Final answer
    x = 411,476.08

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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.