Home / 982,947.70-1,474,422.09-272,975.68

Finding the Fourth Proportional to 982,947.70, 1,474,422.09 and 272,975.68

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Solution

The fourth proportional to 982,947.70, 1,474,422.09 and 272,975.68 is: 409,463.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,947.70 : 1,474,422.09 = 272,975.68 : x
  2. Step 2: Convert to fraction form
    982,947.70/1,474,422.09 = 272,975.68/x
  3. Step 3: Cross multiply
    982,947.70x = 1,474,422.09 × 272,975.68
  4. Step 4: Simplify right side
    982,947.70x = 402,481,372,624.77
  5. Step 5: Solve for x
    x = 402,481,372,624.77/982,947.70
  6. Step 6: Final answer
    x = 409,463.67

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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.