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Finding the Fourth Proportional to 540,473.86, 745,840.77 and 298,750.21

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Solution

The fourth proportional to 540,473.86, 745,840.77 and 298,750.21 is: 412,268.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,473.86 : 745,840.77 = 298,750.21 : x
  2. Step 2: Convert to fraction form
    540,473.86/745,840.77 = 298,750.21/x
  3. Step 3: Cross multiply
    540,473.86x = 745,840.77 × 298,750.21
  4. Step 4: Simplify right side
    540,473.86x = 222,820,086,664.06
  5. Step 5: Solve for x
    x = 222,820,086,664.06/540,473.86
  6. Step 6: Final answer
    x = 412,268.02

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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.