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Finding the Fourth Proportional to 540,146.11, 745,479.72 and 322,364.03

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Solution

The fourth proportional to 540,146.11, 745,479.72 and 322,364.03 is: 444,908.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,146.11 : 745,479.72 = 322,364.03 : x
  2. Step 2: Convert to fraction form
    540,146.11/745,479.72 = 322,364.03/x
  3. Step 3: Cross multiply
    540,146.11x = 745,479.72 × 322,364.03
  4. Step 4: Simplify right side
    540,146.11x = 240,315,850,923.90
  5. Step 5: Solve for x
    x = 240,315,850,923.90/540,146.11
  6. Step 6: Final answer
    x = 444,908.97

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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.