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Finding the Fourth Proportional to 554,969.46, 830,049.01 and 326,721.16

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Solution

The fourth proportional to 554,969.46, 830,049.01 and 326,721.16 is: 488,665.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,969.46 : 830,049.01 = 326,721.16 : x
  2. Step 2: Convert to fraction form
    554,969.46/830,049.01 = 326,721.16/x
  3. Step 3: Cross multiply
    554,969.46x = 830,049.01 × 326,721.16
  4. Step 4: Simplify right side
    554,969.46x = 271,194,571,663.59
  5. Step 5: Solve for x
    x = 271,194,571,663.59/554,969.46
  6. Step 6: Final answer
    x = 488,665.76

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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.