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Finding the Fourth Proportional to 540,122.82, 745,377.30 and 298,410.96

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Solution

The fourth proportional to 540,122.82, 745,377.30 and 298,410.96 is: 411,811.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,122.82 : 745,377.30 = 298,410.96 : x
  2. Step 2: Convert to fraction form
    540,122.82/745,377.30 = 298,410.96/x
  3. Step 3: Cross multiply
    540,122.82x = 745,377.30 × 298,410.96
  4. Step 4: Simplify right side
    540,122.82x = 222,428,755,655.21
  5. Step 5: Solve for x
    x = 222,428,755,655.21/540,122.82
  6. Step 6: Final answer
    x = 411,811.44

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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.