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Finding the Fourth Proportional to 540,710.40, 811,072 and 327,524.80

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Solution

The fourth proportional to 540,710.40, 811,072 and 327,524.80 is: 491,291.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,710.40 : 811,072 = 327,524.80 : x
  2. Step 2: Convert to fraction form
    540,710.40/811,072 = 327,524.80/x
  3. Step 3: Cross multiply
    540,710.40x = 811,072 × 327,524.80
  4. Step 4: Simplify right side
    540,710.40x = 265,646,194,585.60
  5. Step 5: Solve for x
    x = 265,646,194,585.60/540,710.40
  6. Step 6: Final answer
    x = 491,291.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.