Home / 379,964.40-524,797.02-303,747.45

Finding the Fourth Proportional to 379,964.40, 524,797.02 and 303,747.45

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Solution

The fourth proportional to 379,964.40, 524,797.02 and 303,747.45 is: 419,528.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,964.40 : 524,797.02 = 303,747.45 : x
  2. Step 2: Convert to fraction form
    379,964.40/524,797.02 = 303,747.45/x
  3. Step 3: Cross multiply
    379,964.40x = 524,797.02 × 303,747.45
  4. Step 4: Simplify right side
    379,964.40x = 159,405,756,592.60
  5. Step 5: Solve for x
    x = 159,405,756,592.60/379,964.40
  6. Step 6: Final answer
    x = 419,528.14

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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.